641178720

素因数分解:

$2^5\times 3^3\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{233}}^1$

素因数の和:284

約数の個数: 576

約数和(自身を含む): 2823387840

約数和(自身を除く): 2182209120

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, 32, 35, 36, 39, 40, 42, 45, 48, 49, 52, 54, 56, 60, 63, 65, 70, 72, 78, 80, 84, 90, 91, 96, 98, 104, 105, 108, 112, 117, 120, 126, 130, 135, 140, 144, 147, 156, 160, 168, 180, 182, 189, 195, 196, 208, 210, 216, 224, 233, 234, 240, 245, 252, 260, 270, 273, 280, 288, 294, 312, 315, 336, 351, 360, 364, 378, 390, 392, 416, 420, 432, 441, 455, 466, 468, 480, 490, 504, 520, 540, 546, 560, 585, 588, 624, 630, 637, 672, 699, 702, 720, 728, 735, 756, 780, 784, 819, 840, 864, 882, 910, 932, 936, 945, 980, 1008, 1040, 1080, 1092, 1120, 1165, 1170, 1176, 1248, 1260, 1274, 1323, 1365, 1398, 1404, 1440, 1456, 1470, 1512, 1560, 1568, 1631, 1638, 1680, 1755, 1764, 1820, 1864, 1872, 1890, 1911, 1960, 2016, 2080, 2097, 2160, 2184, 2205, 2330, 2340, 2352, 2457, 2520, 2548, 2646, 2730, 2796, 2808, 2912, 2940, 3024, 3029, 3120, 3185, 3262, 3276, 3360, 3495, 3510, 3528, 3640, 3728, 3744, 3780, 3822, 3920, 4095, 4194, 4320, 4368, 4410, 4660, 4680, 4704, 4893, 4914, 5040, 5096, 5292, 5460, 5592, 5616, 5733, 5880, 6048, 6058, 6240, 6291, 6370, 6524, 6552, 6615, 6990, 7020, 7056, 7280, 7456, 7560, 7644, 7840, 8155, 8190, 8388, 8736, 8820, 9087, 9320, 9360, 9555, 9786, 9828, 10080, 10192, 10485, 10584, 10920, 11184, 11232, 11417, 11466, 11760, 12116, 12285, 12582, 12740, 13048, 13104, 13230, 13980, 14040, 14112, 14560, 14679, 15120, 15145, 15288, 16310, 16380, 16776, 17199, 17640, 18174, 18640, 18720, 19110, 19572, 19656, 20384, 20970, 21168, 21203, 21840, 22368, 22834, 22932, 23520, 24232, 24465, 24570, 25164, 25480, 26096, 26208, 26460, 27261, 27960, 28080, 28665, 29358, 30240, 30290, 30576, 31455, 32620, 32760, 33552, 34251, 34398, 35280, 36348, 37280, 38220, 39144, 39312, 41940, 42336, 42406, 43680, 44037, 45435, 45668, 45864, 48464, 48930, 49140, 50328, 50960, 52192, 52920, 54522, 55920, 56160, 57085, 57330, 58716, 60580, 61152, 62910, 63609, 65240, 65520, 67104, 68502, 68796, 70560, 72696, 73395, 76440, 78288, 78624, 81783, 83880, 84812, 85995, 88074, 90870, 91336, 91728, 96928, 97860, 98280, 100656, 101920, 102753, 105840, 106015, 109044, 111840, 114170, 114660, 117432, 121160, 125820, 127218, 130480, 131040, 136305, 137004, 137592, 145392, 146790, 148421, 152880, 156576, 163566, 167760, 169624, 171255, 171990, 176148, 181740, 182672, 183456, 190827, 195720, 196560, 201312, 205506, 211680, 212030, 218088, 220185, 228340, 229320, 234864, 242320, 251640, 254436, 260960, 272610, 274008, 275184, 290784, 293580, 296842, 305760, 308259, 318045, 327132, 335520, 339248, 342510, 343980, 352296, 363480, 365344, 381654, 391440, 393120, 408915, 411012, 424060, 436176, 440370, 445263, 456680, 458640, 469728, 484640, 503280, 508872, 513765, 545220, 548016, 550368, 572481, 587160, 593684, 616518, 636090, 654264, 678496, 685020, 687960, 704592, 726960, 742105, 763308, 782880, 817830, 822024, 848120, 872352, 880740, 890526, 913360, 917280, 954135, 1006560, 1017744, 1027530, 1090440, 1096032, 1144962, 1174320, 1187368, 1233036, 1272180, 1308528, 1335789, 1370040, 1375920, 1409184, 1453920, 1484210, 1526616, 1541295, 1635660, 1644048, 1696240, 1761480, 1781052, 1826720, 1908270, 2035488, 2055060, 2180880, 2226315, 2289924, 2348640, 2374736, 2466072, 2544360, 2617056, 2671578, 2740080, 2751840, 2862405, 2968420, 3053232, 3082590, 3271320, 3288096, 3392480, 3522960, 3562104, 3816540, 4007367, 4110120, 4361760, 4452630, 4579848, 4749472, 4932144, 5088720, 5343156, 5480160, 5724810, 5936840, 6106464, 6165180, 6542640, 6678945, 7045920, 7124208, 7633080, 8014734, 8220240, 8905260, 9159696, 9864288, 10177440, 10686312, 11449620, 11873680, 12330360, 13085280, 13357890, 14248416, 15266160, 16029468, 16440480, 17810520, 18319392, 20036835, 21372624, 22899240, 23747360, 24660720, 26715780, 30532320, 32058936, 35621040, 40073670, 42745248, 45798480, 49321440, 53431560, 64117872, 71242080, 80147340, 91596960, 106863120, 128235744, 160294680, 213726240, 320589360, 641178720]

約数ペア:

[(1, 641178720), (2, 320589360), (3, 213726240), (4, 160294680), (5, 128235744), (6, 106863120), (7, 91596960), (8, 80147340), (9, 71242080), (10, 64117872), (12, 53431560), (13, 49321440), (14, 45798480), (15, 42745248), (16, 40073670), (18, 35621040), (20, 32058936), (21, 30532320), (24, 26715780), (26, 24660720), (27, 23747360), (28, 22899240), (30, 21372624), (32, 20036835), (35, 18319392), (36, 17810520), (39, 16440480), (40, 16029468), (42, 15266160), (45, 14248416), (48, 13357890), (49, 13085280), (52, 12330360), (54, 11873680), (56, 11449620), (60, 10686312), (63, 10177440), (65, 9864288), (70, 9159696), (72, 8905260), (78, 8220240), (80, 8014734), (84, 7633080), (90, 7124208), (91, 7045920), (96, 6678945), (98, 6542640), (104, 6165180), (105, 6106464), (108, 5936840), (112, 5724810), (117, 5480160), (120, 5343156), (126, 5088720), (130, 4932144), (135, 4749472), (140, 4579848), (144, 4452630), (147, 4361760), (156, 4110120), (160, 4007367), (168, 3816540), (180, 3562104), (182, 3522960), (189, 3392480), (195, 3288096), (196, 3271320), (208, 3082590), (210, 3053232), (216, 2968420), (224, 2862405), (233, 2751840), (234, 2740080), (240, 2671578), (245, 2617056), (252, 2544360), (260, 2466072), (270, 2374736), (273, 2348640), (280, 2289924), (288, 2226315), (294, 2180880), (312, 2055060), (315, 2035488), (336, 1908270), (351, 1826720), (360, 1781052), (364, 1761480), (378, 1696240), (390, 1644048), (392, 1635660), (416, 1541295), (420, 1526616), (432, 1484210), (441, 1453920), (455, 1409184), (466, 1375920), (468, 1370040), (480, 1335789), (490, 1308528), (504, 1272180), (520, 1233036), (540, 1187368), (546, 1174320), (560, 1144962), (585, 1096032), (588, 1090440), (624, 1027530), (630, 1017744), (637, 1006560), (672, 954135), (699, 917280), (702, 913360), (720, 890526), (728, 880740), (735, 872352), (756, 848120), (780, 822024), (784, 817830), (819, 782880), (840, 763308), (864, 742105), (882, 726960), (910, 704592), (932, 687960), (936, 685020), (945, 678496), (980, 654264), (1008, 636090), (1040, 616518), (1080, 593684), (1092, 587160), (1120, 572481), (1165, 550368), (1170, 548016), (1176, 545220), (1248, 513765), (1260, 508872), (1274, 503280), (1323, 484640), (1365, 469728), (1398, 458640), (1404, 456680), (1440, 445263), (1456, 440370), (1470, 436176), (1512, 424060), (1560, 411012), (1568, 408915), (1631, 393120), (1638, 391440), (1680, 381654), (1755, 365344), (1764, 363480), (1820, 352296), (1864, 343980), (1872, 342510), (1890, 339248), (1911, 335520), (1960, 327132), (2016, 318045), (2080, 308259), (2097, 305760), (2160, 296842), (2184, 293580), (2205, 290784), (2330, 275184), (2340, 274008), (2352, 272610), (2457, 260960), (2520, 254436), (2548, 251640), (2646, 242320), (2730, 234864), (2796, 229320), (2808, 228340), (2912, 220185), (2940, 218088), (3024, 212030), (3029, 211680), (3120, 205506), (3185, 201312), (3262, 196560), (3276, 195720), (3360, 190827), (3495, 183456), (3510, 182672), (3528, 181740), (3640, 176148), (3728, 171990), (3744, 171255), (3780, 169624), (3822, 167760), (3920, 163566), (4095, 156576), (4194, 152880), (4320, 148421), (4368, 146790), (4410, 145392), (4660, 137592), (4680, 137004), (4704, 136305), (4893, 131040), (4914, 130480), (5040, 127218), (5096, 125820), (5292, 121160), (5460, 117432), (5592, 114660), (5616, 114170), (5733, 111840), (5880, 109044), (6048, 106015), (6058, 105840), (6240, 102753), (6291, 101920), (6370, 100656), (6524, 98280), (6552, 97860), (6615, 96928), (6990, 91728), (7020, 91336), (7056, 90870), (7280, 88074), (7456, 85995), (7560, 84812), (7644, 83880), (7840, 81783), (8155, 78624), (8190, 78288), (8388, 76440), (8736, 73395), (8820, 72696), (9087, 70560), (9320, 68796), (9360, 68502), (9555, 67104), (9786, 65520), (9828, 65240), (10080, 63609), (10192, 62910), (10485, 61152), (10584, 60580), (10920, 58716), (11184, 57330), (11232, 57085), (11417, 56160), (11466, 55920), (11760, 54522), (12116, 52920), (12285, 52192), (12582, 50960), (12740, 50328), (13048, 49140), (13104, 48930), (13230, 48464), (13980, 45864), (14040, 45668), (14112, 45435), (14560, 44037), (14679, 43680), (15120, 42406), (15145, 42336), (15288, 41940), (16310, 39312), (16380, 39144), (16776, 38220), (17199, 37280), (17640, 36348), (18174, 35280), (18640, 34398), (18720, 34251), (19110, 33552), (19572, 32760), (19656, 32620), (20384, 31455), (20970, 30576), (21168, 30290), (21203, 30240), (21840, 29358), (22368, 28665), (22834, 28080), (22932, 27960), (23520, 27261), (24232, 26460), (24465, 26208), (24570, 26096), (25164, 25480)]