661129560

素因数分解:

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

素因数の和:109

約数の個数: 576

約数和(自身を含む): 2852690400

約数和(自身を除く): 2191560840

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 18, 20, 21, 24, 26, 27, 28, 30, 31, 35, 36, 39, 40, 42, 45, 49, 52, 54, 56, 60, 62, 63, 65, 70, 72, 78, 84, 90, 91, 93, 98, 104, 105, 108, 117, 120, 124, 126, 130, 135, 140, 147, 155, 156, 168, 180, 182, 186, 189, 195, 196, 210, 216, 217, 234, 245, 248, 252, 260, 270, 273, 279, 280, 294, 310, 312, 315, 351, 360, 364, 372, 378, 390, 392, 403, 420, 434, 441, 455, 465, 468, 490, 504, 520, 540, 546, 558, 585, 588, 620, 630, 637, 651, 702, 728, 735, 744, 756, 780, 806, 819, 837, 840, 868, 882, 910, 930, 936, 945, 961, 980, 1080, 1085, 1092, 1116, 1170, 1176, 1209, 1240, 1260, 1274, 1302, 1323, 1365, 1395, 1404, 1470, 1512, 1519, 1560, 1612, 1638, 1674, 1736, 1755, 1764, 1820, 1860, 1890, 1911, 1922, 1953, 1960, 2015, 2170, 2184, 2205, 2232, 2340, 2418, 2457, 2520, 2548, 2604, 2646, 2730, 2790, 2808, 2821, 2883, 2940, 3038, 3185, 3224, 3255, 3276, 3348, 3510, 3528, 3627, 3640, 3720, 3780, 3822, 3844, 3906, 4030, 4095, 4185, 4340, 4410, 4557, 4680, 4805, 4836, 4914, 5096, 5208, 5292, 5460, 5580, 5642, 5733, 5766, 5859, 5880, 6045, 6076, 6370, 6510, 6552, 6615, 6696, 6727, 7020, 7254, 7560, 7595, 7644, 7688, 7812, 8060, 8190, 8370, 8463, 8649, 8680, 8820, 9114, 9555, 9610, 9672, 9765, 9828, 10584, 10881, 10920, 11160, 11284, 11466, 11532, 11718, 12090, 12152, 12285, 12493, 12740, 13020, 13230, 13454, 13671, 14040, 14105, 14415, 14508, 15190, 15288, 15624, 16120, 16380, 16740, 16926, 17199, 17298, 17640, 18135, 18228, 19110, 19220, 19530, 19656, 19747, 20181, 21762, 22568, 22785, 22932, 23064, 23436, 24180, 24570, 24986, 25389, 25480, 25947, 26040, 26460, 26908, 27342, 28210, 28665, 28830, 29016, 29295, 30380, 32760, 33480, 33635, 33852, 34398, 34596, 36270, 36456, 37479, 38220, 38440, 39060, 39494, 40362, 41013, 42315, 43245, 43524, 45570, 45864, 46872, 47089, 48360, 49140, 49972, 50778, 51894, 52920, 53816, 54405, 54684, 56420, 57330, 57660, 58590, 59241, 60543, 60760, 62465, 67270, 67704, 68355, 68796, 69192, 72540, 74958, 76167, 76440, 78120, 78988, 80724, 82026, 84630, 85995, 86490, 87048, 87451, 91140, 94178, 98280, 98735, 99944, 100905, 101556, 103788, 108810, 109368, 112437, 112840, 114660, 115320, 117180, 118482, 121086, 124930, 126945, 129735, 134540, 136710, 137592, 141267, 145080, 149916, 152334, 157976, 161448, 164052, 169260, 171990, 172980, 174902, 177723, 181629, 182280, 187395, 188356, 197470, 201810, 203112, 205065, 207576, 217620, 224874, 229320, 234360, 235445, 236964, 242172, 249860, 253890, 259470, 262353, 269080, 273420, 282534, 296205, 299832, 302715, 304668, 328104, 337311, 338520, 343980, 345960, 349804, 355446, 363258, 374790, 376712, 380835, 394940, 403620, 410130, 423801, 435240, 437255, 449748, 470890, 473928, 484344, 499720, 507780, 518940, 524706, 533169, 546840, 562185, 565068, 592410, 605430, 609336, 612157, 674622, 687960, 699608, 706335, 710892, 726516, 749580, 761670, 787059, 789880, 807240, 820260, 847602, 874510, 888615, 899496, 908145, 941780, 1015560, 1037880, 1049412, 1066338, 1124370, 1130136, 1184820, 1210860, 1224314, 1271403, 1311765, 1349244, 1412670, 1421784, 1453032, 1499160, 1523340, 1574118, 1640520, 1686555, 1695204, 1749020, 1777230, 1816290, 1836471, 1883560, 2098824, 2119005, 2132676, 2248740, 2361177, 2369640, 2421720, 2448628, 2542806, 2623530, 2665845, 2698488, 2825340, 3046680, 3060785, 3148236, 3373110, 3390408, 3498040, 3554460, 3632580, 3672942, 3935295, 4238010, 4265352, 4497480, 4722354, 4897256, 5085612, 5247060, 5331690, 5509413, 5650680, 6121570, 6296472, 6357015, 6746220, 7108920, 7265160, 7345884, 7870590, 8476020, 9182355, 9444708, 10171224, 10494120, 10663380, 11018826, 11805885, 12243140, 12714030, 13492440, 14691768, 15741180, 16528239, 16952040, 18364710, 18889416, 21326760, 22037652, 23611770, 24486280, 25428060, 27547065, 31482360, 33056478, 36729420, 44075304, 47223540, 50856120, 55094130, 66112956, 73458840, 82641195, 94447080, 110188260, 132225912, 165282390, 220376520, 330564780, 661129560]

約数ペア:

[(1, 661129560), (2, 330564780), (3, 220376520), (4, 165282390), (5, 132225912), (6, 110188260), (7, 94447080), (8, 82641195), (9, 73458840), (10, 66112956), (12, 55094130), (13, 50856120), (14, 47223540), (15, 44075304), (18, 36729420), (20, 33056478), (21, 31482360), (24, 27547065), (26, 25428060), (27, 24486280), (28, 23611770), (30, 22037652), (31, 21326760), (35, 18889416), (36, 18364710), (39, 16952040), (40, 16528239), (42, 15741180), (45, 14691768), (49, 13492440), (52, 12714030), (54, 12243140), (56, 11805885), (60, 11018826), (62, 10663380), (63, 10494120), (65, 10171224), (70, 9444708), (72, 9182355), (78, 8476020), (84, 7870590), (90, 7345884), (91, 7265160), (93, 7108920), (98, 6746220), (104, 6357015), (105, 6296472), (108, 6121570), (117, 5650680), (120, 5509413), (124, 5331690), (126, 5247060), (130, 5085612), (135, 4897256), (140, 4722354), (147, 4497480), (155, 4265352), (156, 4238010), (168, 3935295), (180, 3672942), (182, 3632580), (186, 3554460), (189, 3498040), (195, 3390408), (196, 3373110), (210, 3148236), (216, 3060785), (217, 3046680), (234, 2825340), (245, 2698488), (248, 2665845), (252, 2623530), (260, 2542806), (270, 2448628), (273, 2421720), (279, 2369640), (280, 2361177), (294, 2248740), (310, 2132676), (312, 2119005), (315, 2098824), (351, 1883560), (360, 1836471), (364, 1816290), (372, 1777230), (378, 1749020), (390, 1695204), (392, 1686555), (403, 1640520), (420, 1574118), (434, 1523340), (441, 1499160), (455, 1453032), (465, 1421784), (468, 1412670), (490, 1349244), (504, 1311765), (520, 1271403), (540, 1224314), (546, 1210860), (558, 1184820), (585, 1130136), (588, 1124370), (620, 1066338), (630, 1049412), (637, 1037880), (651, 1015560), (702, 941780), (728, 908145), (735, 899496), (744, 888615), (756, 874510), (780, 847602), (806, 820260), (819, 807240), (837, 789880), (840, 787059), (868, 761670), (882, 749580), (910, 726516), (930, 710892), (936, 706335), (945, 699608), (961, 687960), (980, 674622), (1080, 612157), (1085, 609336), (1092, 605430), (1116, 592410), (1170, 565068), (1176, 562185), (1209, 546840), (1240, 533169), (1260, 524706), (1274, 518940), (1302, 507780), (1323, 499720), (1365, 484344), (1395, 473928), (1404, 470890), (1470, 449748), (1512, 437255), (1519, 435240), (1560, 423801), (1612, 410130), (1638, 403620), (1674, 394940), (1736, 380835), (1755, 376712), (1764, 374790), (1820, 363258), (1860, 355446), (1890, 349804), (1911, 345960), (1922, 343980), (1953, 338520), (1960, 337311), (2015, 328104), (2170, 304668), (2184, 302715), (2205, 299832), (2232, 296205), (2340, 282534), (2418, 273420), (2457, 269080), (2520, 262353), (2548, 259470), (2604, 253890), (2646, 249860), (2730, 242172), (2790, 236964), (2808, 235445), (2821, 234360), (2883, 229320), (2940, 224874), (3038, 217620), (3185, 207576), (3224, 205065), (3255, 203112), (3276, 201810), (3348, 197470), (3510, 188356), (3528, 187395), (3627, 182280), (3640, 181629), (3720, 177723), (3780, 174902), (3822, 172980), (3844, 171990), (3906, 169260), (4030, 164052), (4095, 161448), (4185, 157976), (4340, 152334), (4410, 149916), (4557, 145080), (4680, 141267), (4805, 137592), (4836, 136710), (4914, 134540), (5096, 129735), (5208, 126945), (5292, 124930), (5460, 121086), (5580, 118482), (5642, 117180), (5733, 115320), (5766, 114660), (5859, 112840), (5880, 112437), (6045, 109368), (6076, 108810), (6370, 103788), (6510, 101556), (6552, 100905), (6615, 99944), (6696, 98735), (6727, 98280), (7020, 94178), (7254, 91140), (7560, 87451), (7595, 87048), (7644, 86490), (7688, 85995), (7812, 84630), (8060, 82026), (8190, 80724), (8370, 78988), (8463, 78120), (8649, 76440), (8680, 76167), (8820, 74958), (9114, 72540), (9555, 69192), (9610, 68796), (9672, 68355), (9765, 67704), (9828, 67270), (10584, 62465), (10881, 60760), (10920, 60543), (11160, 59241), (11284, 58590), (11466, 57660), (11532, 57330), (11718, 56420), (12090, 54684), (12152, 54405), (12285, 53816), (12493, 52920), (12740, 51894), (13020, 50778), (13230, 49972), (13454, 49140), (13671, 48360), (14040, 47089), (14105, 46872), (14415, 45864), (14508, 45570), (15190, 43524), (15288, 43245), (15624, 42315), (16120, 41013), (16380, 40362), (16740, 39494), (16926, 39060), (17199, 38440), (17298, 38220), (17640, 37479), (18135, 36456), (18228, 36270), (19110, 34596), (19220, 34398), (19530, 33852), (19656, 33635), (19747, 33480), (20181, 32760), (21762, 30380), (22568, 29295), (22785, 29016), (22932, 28830), (23064, 28665), (23436, 28210), (24180, 27342), (24570, 26908), (24986, 26460), (25389, 26040), (25480, 25947)]