255921120

素因数分解:

$2^5\times 3^4\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1$

素因数の和:85

約数の個数: 720

約数和(自身を含む): 1167965568

約数和(自身を除く): 912044448

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 16, 18, 20, 21, 24, 26, 27, 28, 30, 31, 32, 35, 36, 39, 40, 42, 45, 48, 49, 52, 54, 56, 60, 62, 63, 65, 70, 72, 78, 80, 81, 84, 90, 91, 93, 96, 98, 104, 105, 108, 112, 117, 120, 124, 126, 130, 135, 140, 144, 147, 155, 156, 160, 162, 168, 180, 182, 186, 189, 195, 196, 208, 210, 216, 217, 224, 234, 240, 245, 248, 252, 260, 270, 273, 279, 280, 288, 294, 310, 312, 315, 324, 336, 351, 360, 364, 372, 378, 390, 392, 403, 405, 416, 420, 432, 434, 441, 455, 465, 468, 480, 490, 496, 504, 520, 540, 546, 558, 560, 567, 585, 588, 620, 624, 630, 637, 648, 651, 672, 702, 720, 728, 735, 744, 756, 780, 784, 806, 810, 819, 837, 840, 864, 868, 882, 910, 930, 936, 945, 980, 992, 1008, 1040, 1053, 1080, 1085, 1092, 1116, 1120, 1134, 1170, 1176, 1209, 1240, 1248, 1260, 1274, 1296, 1302, 1323, 1365, 1395, 1404, 1440, 1456, 1470, 1488, 1512, 1519, 1560, 1568, 1612, 1620, 1638, 1674, 1680, 1736, 1755, 1764, 1820, 1860, 1872, 1890, 1911, 1953, 1960, 2015, 2016, 2080, 2106, 2160, 2170, 2184, 2205, 2232, 2268, 2340, 2352, 2418, 2457, 2480, 2511, 2520, 2548, 2592, 2604, 2646, 2730, 2790, 2808, 2821, 2835, 2912, 2940, 2976, 3024, 3038, 3120, 3185, 3224, 3240, 3255, 3276, 3348, 3360, 3472, 3510, 3528, 3627, 3640, 3720, 3744, 3780, 3822, 3906, 3920, 3969, 4030, 4095, 4185, 4212, 4320, 4340, 4368, 4410, 4464, 4536, 4557, 4680, 4704, 4836, 4914, 4960, 5022, 5040, 5096, 5208, 5265, 5292, 5460, 5580, 5616, 5642, 5670, 5733, 5859, 5880, 6045, 6048, 6076, 6240, 6370, 6448, 6480, 6510, 6552, 6615, 6696, 6944, 7020, 7056, 7254, 7280, 7371, 7440, 7560, 7595, 7644, 7812, 7840, 7938, 8060, 8190, 8370, 8424, 8463, 8680, 8736, 8820, 8928, 9072, 9114, 9360, 9555, 9672, 9765, 9828, 10044, 10080, 10192, 10416, 10530, 10584, 10881, 10920, 11160, 11232, 11284, 11340, 11466, 11718, 11760, 12090, 12152, 12285, 12555, 12740, 12896, 12960, 13020, 13104, 13230, 13392, 13671, 14040, 14105, 14112, 14508, 14560, 14742, 14880, 15120, 15190, 15288, 15624, 15876, 16120, 16380, 16740, 16848, 16926, 17199, 17360, 17577, 17640, 18135, 18144, 18228, 18720, 19110, 19344, 19530, 19656, 19747, 19845, 20088, 20384, 20832, 21060, 21168, 21762, 21840, 22320, 22568, 22680, 22785, 22932, 23436, 23520, 24180, 24304, 24570, 25110, 25389, 25480, 26040, 26208, 26460, 26784, 27342, 28080, 28210, 28665, 29016, 29295, 29484, 30240, 30380, 30576, 31248, 31752, 32240, 32643, 32760, 33480, 33696, 33852, 34398, 34720, 35154, 35280, 36270, 36456, 36855, 38220, 38688, 39060, 39312, 39494, 39690, 40176, 41013, 42120, 42315, 42336, 43524, 43680, 44640, 45136, 45360, 45570, 45864, 46872, 48360, 48608, 49140, 50220, 50778, 50960, 51597, 52080, 52920, 54405, 54684, 56160, 56420, 57330, 58032, 58590, 58968, 59241, 60760, 61152, 62496, 63504, 64480, 65286, 65520, 66960, 67704, 68355, 68796, 70308, 70560, 72540, 72912, 73710, 76167, 76440, 78120, 78624, 78988, 79380, 80352, 82026, 84240, 84630, 85995, 87048, 87885, 90272, 90720, 91140, 91728, 93744, 96720, 98280, 98735, 100440, 101556, 101920, 103194, 104160, 105840, 108810, 109368, 112840, 114660, 116064, 117180, 117936, 118482, 121520, 123039, 126945, 127008, 130572, 131040, 133920, 135408, 136710, 137592, 140616, 145080, 145824, 147420, 152334, 152880, 156240, 157976, 158760, 163215, 164052, 168480, 169260, 171990, 174096, 175770, 177723, 182280, 183456, 187488, 193440, 196560, 197470, 200880, 203112, 205065, 206388, 211680, 217620, 218736, 225680, 228501, 229320, 234360, 235872, 236964, 243040, 246078, 253890, 257985, 261144, 270816, 273420, 275184, 281232, 290160, 294840, 296205, 304668, 305760, 312480, 315952, 317520, 326430, 328104, 338520, 343980, 348192, 351540, 355446, 364560, 380835, 393120, 394940, 401760, 406224, 410130, 412776, 435240, 437472, 451360, 457002, 458640, 468720, 473928, 492156, 507780, 515970, 522288, 533169, 546840, 550368, 562464, 580320, 589680, 592410, 609336, 615195, 631904, 635040, 652860, 656208, 677040, 687960, 703080, 710892, 729120, 761670, 789880, 812448, 820260, 825552, 870480, 888615, 914004, 917280, 937440, 947856, 984312, 1015560, 1031940, 1044576, 1066338, 1093680, 1142505, 1179360, 1184820, 1218672, 1230390, 1305720, 1312416, 1354080, 1375920, 1406160, 1421784, 1523340, 1579760, 1599507, 1640520, 1651104, 1740960, 1777230, 1828008, 1895712, 1968624, 2031120, 2063880, 2132676, 2187360, 2285010, 2369640, 2437344, 2460780, 2611440, 2665845, 2751840, 2812320, 2843568, 3046680, 3159520, 3199014, 3281040, 3554460, 3656016, 3937248, 4062240, 4127760, 4265352, 4570020, 4739280, 4921560, 5222880, 5331690, 5687136, 6093360, 6398028, 6562080, 7108920, 7312032, 7997535, 8255520, 8530704, 9140040, 9478560, 9843120, 10663380, 12186720, 12796056, 14217840, 15995070, 17061408, 18280080, 19686240, 21326760, 25592112, 28435680, 31990140, 36560160, 42653520, 51184224, 63980280, 85307040, 127960560, 255921120]

約数ペア:

[(1, 255921120), (2, 127960560), (3, 85307040), (4, 63980280), (5, 51184224), (6, 42653520), (7, 36560160), (8, 31990140), (9, 28435680), (10, 25592112), (12, 21326760), (13, 19686240), (14, 18280080), (15, 17061408), (16, 15995070), (18, 14217840), (20, 12796056), (21, 12186720), (24, 10663380), (26, 9843120), (27, 9478560), (28, 9140040), (30, 8530704), (31, 8255520), (32, 7997535), (35, 7312032), (36, 7108920), (39, 6562080), (40, 6398028), (42, 6093360), (45, 5687136), (48, 5331690), (49, 5222880), (52, 4921560), (54, 4739280), (56, 4570020), (60, 4265352), (62, 4127760), (63, 4062240), (65, 3937248), (70, 3656016), (72, 3554460), (78, 3281040), (80, 3199014), (81, 3159520), (84, 3046680), (90, 2843568), (91, 2812320), (93, 2751840), (96, 2665845), (98, 2611440), (104, 2460780), (105, 2437344), (108, 2369640), (112, 2285010), (117, 2187360), (120, 2132676), (124, 2063880), (126, 2031120), (130, 1968624), (135, 1895712), (140, 1828008), (144, 1777230), (147, 1740960), (155, 1651104), (156, 1640520), (160, 1599507), (162, 1579760), (168, 1523340), (180, 1421784), (182, 1406160), (186, 1375920), (189, 1354080), (195, 1312416), (196, 1305720), (208, 1230390), (210, 1218672), (216, 1184820), (217, 1179360), (224, 1142505), (234, 1093680), (240, 1066338), (245, 1044576), (248, 1031940), (252, 1015560), (260, 984312), (270, 947856), (273, 937440), (279, 917280), (280, 914004), (288, 888615), (294, 870480), (310, 825552), (312, 820260), (315, 812448), (324, 789880), (336, 761670), (351, 729120), (360, 710892), (364, 703080), (372, 687960), (378, 677040), (390, 656208), (392, 652860), (403, 635040), (405, 631904), (416, 615195), (420, 609336), (432, 592410), (434, 589680), (441, 580320), (455, 562464), (465, 550368), (468, 546840), (480, 533169), (490, 522288), (496, 515970), (504, 507780), (520, 492156), (540, 473928), (546, 468720), (558, 458640), (560, 457002), (567, 451360), (585, 437472), (588, 435240), (620, 412776), (624, 410130), (630, 406224), (637, 401760), (648, 394940), (651, 393120), (672, 380835), (702, 364560), (720, 355446), (728, 351540), (735, 348192), (744, 343980), (756, 338520), (780, 328104), (784, 326430), (806, 317520), (810, 315952), (819, 312480), (837, 305760), (840, 304668), (864, 296205), (868, 294840), (882, 290160), (910, 281232), (930, 275184), (936, 273420), (945, 270816), (980, 261144), (992, 257985), (1008, 253890), (1040, 246078), (1053, 243040), (1080, 236964), (1085, 235872), (1092, 234360), (1116, 229320), (1120, 228501), (1134, 225680), (1170, 218736), (1176, 217620), (1209, 211680), (1240, 206388), (1248, 205065), (1260, 203112), (1274, 200880), (1296, 197470), (1302, 196560), (1323, 193440), (1365, 187488), (1395, 183456), (1404, 182280), (1440, 177723), (1456, 175770), (1470, 174096), (1488, 171990), (1512, 169260), (1519, 168480), (1560, 164052), (1568, 163215), (1612, 158760), (1620, 157976), (1638, 156240), (1674, 152880), (1680, 152334), (1736, 147420), (1755, 145824), (1764, 145080), (1820, 140616), (1860, 137592), (1872, 136710), (1890, 135408), (1911, 133920), (1953, 131040), (1960, 130572), (2015, 127008), (2016, 126945), (2080, 123039), (2106, 121520), (2160, 118482), (2170, 117936), (2184, 117180), (2205, 116064), (2232, 114660), (2268, 112840), (2340, 109368), (2352, 108810), (2418, 105840), (2457, 104160), (2480, 103194), (2511, 101920), (2520, 101556), (2548, 100440), (2592, 98735), (2604, 98280), (2646, 96720), (2730, 93744), (2790, 91728), (2808, 91140), (2821, 90720), (2835, 90272), (2912, 87885), (2940, 87048), (2976, 85995), (3024, 84630), (3038, 84240), (3120, 82026), (3185, 80352), (3224, 79380), (3240, 78988), (3255, 78624), (3276, 78120), (3348, 76440), (3360, 76167), (3472, 73710), (3510, 72912), (3528, 72540), (3627, 70560), (3640, 70308), (3720, 68796), (3744, 68355), (3780, 67704), (3822, 66960), (3906, 65520), (3920, 65286), (3969, 64480), (4030, 63504), (4095, 62496), (4185, 61152), (4212, 60760), (4320, 59241), (4340, 58968), (4368, 58590), (4410, 58032), (4464, 57330), (4536, 56420), (4557, 56160), (4680, 54684), (4704, 54405), (4836, 52920), (4914, 52080), (4960, 51597), (5022, 50960), (5040, 50778), (5096, 50220), (5208, 49140), (5265, 48608), (5292, 48360), (5460, 46872), (5580, 45864), (5616, 45570), (5642, 45360), (5670, 45136), (5733, 44640), (5859, 43680), (5880, 43524), (6045, 42336), (6048, 42315), (6076, 42120), (6240, 41013), (6370, 40176), (6448, 39690), (6480, 39494), (6510, 39312), (6552, 39060), (6615, 38688), (6696, 38220), (6944, 36855), (7020, 36456), (7056, 36270), (7254, 35280), (7280, 35154), (7371, 34720), (7440, 34398), (7560, 33852), (7595, 33696), (7644, 33480), (7812, 32760), (7840, 32643), (7938, 32240), (8060, 31752), (8190, 31248), (8370, 30576), (8424, 30380), (8463, 30240), (8680, 29484), (8736, 29295), (8820, 29016), (8928, 28665), (9072, 28210), (9114, 28080), (9360, 27342), (9555, 26784), (9672, 26460), (9765, 26208), (9828, 26040), (10044, 25480), (10080, 25389), (10192, 25110), (10416, 24570), (10530, 24304), (10584, 24180), (10881, 23520), (10920, 23436), (11160, 22932), (11232, 22785), (11284, 22680), (11340, 22568), (11466, 22320), (11718, 21840), (11760, 21762), (12090, 21168), (12152, 21060), (12285, 20832), (12555, 20384), (12740, 20088), (12896, 19845), (12960, 19747), (13020, 19656), (13104, 19530), (13230, 19344), (13392, 19110), (13671, 18720), (14040, 18228), (14105, 18144), (14112, 18135), (14508, 17640), (14560, 17577), (14742, 17360), (14880, 17199), (15120, 16926), (15190, 16848), (15288, 16740), (15624, 16380), (15876, 16120)]