1520686720

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{487}}^1$

素因数の和:571

約数の個数: 256

約数和(自身を含む): 4515678720

約数和(自身を除く): 2994992000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 32, 34, 35, 40, 41, 56, 64, 68, 70, 80, 82, 85, 112, 119, 128, 136, 140, 160, 164, 170, 205, 224, 238, 272, 280, 287, 320, 328, 340, 410, 448, 476, 487, 544, 560, 574, 595, 640, 656, 680, 697, 820, 896, 952, 974, 1088, 1120, 1148, 1190, 1312, 1360, 1394, 1435, 1640, 1904, 1948, 2176, 2240, 2296, 2380, 2435, 2624, 2720, 2788, 2870, 3280, 3409, 3485, 3808, 3896, 4480, 4592, 4760, 4870, 4879, 5248, 5440, 5576, 5740, 6560, 6818, 6970, 7616, 7792, 8279, 9184, 9520, 9740, 9758, 10880, 11152, 11480, 13120, 13636, 13940, 15232, 15584, 16558, 17045, 18368, 19040, 19480, 19516, 19967, 22304, 22960, 24395, 26240, 27272, 27880, 31168, 33116, 34090, 36736, 38080, 38960, 39032, 39934, 41395, 44608, 45920, 48790, 54544, 55760, 57953, 62336, 66232, 68180, 76160, 77920, 78064, 79868, 82790, 89216, 91840, 97580, 99835, 109088, 111520, 115906, 132464, 136360, 139769, 155840, 156128, 159736, 165580, 183680, 195160, 199670, 218176, 223040, 231812, 264928, 272720, 279538, 289765, 311680, 312256, 319472, 331160, 339439, 390320, 399340, 436352, 446080, 463624, 529856, 545440, 559076, 579530, 624512, 638944, 662320, 678878, 698845, 780640, 798680, 927248, 1059712, 1090880, 1118152, 1159060, 1277888, 1324640, 1357756, 1397690, 1561280, 1597360, 1697195, 1854496, 2181760, 2236304, 2318120, 2376073, 2555776, 2649280, 2715512, 2795380, 3122560, 3194720, 3394390, 3708992, 4472608, 4636240, 4752146, 5298560, 5431024, 5590760, 6389440, 6788780, 7417984, 8945216, 9272480, 9504292, 10862048, 11181520, 11880365, 12778880, 13577560, 17890432, 18544960, 19008584, 21724096, 22363040, 23760730, 27155120, 37089920, 38017168, 43448192, 44726080, 47521460, 54310240, 76034336, 89452160, 95042920, 108620480, 152068672, 190085840, 217240960, 304137344, 380171680, 760343360, 1520686720]

約数ペア:

[(1, 1520686720), (2, 760343360), (4, 380171680), (5, 304137344), (7, 217240960), (8, 190085840), (10, 152068672), (14, 108620480), (16, 95042920), (17, 89452160), (20, 76034336), (28, 54310240), (32, 47521460), (34, 44726080), (35, 43448192), (40, 38017168), (41, 37089920), (56, 27155120), (64, 23760730), (68, 22363040), (70, 21724096), (80, 19008584), (82, 18544960), (85, 17890432), (112, 13577560), (119, 12778880), (128, 11880365), (136, 11181520), (140, 10862048), (160, 9504292), (164, 9272480), (170, 8945216), (205, 7417984), (224, 6788780), (238, 6389440), (272, 5590760), (280, 5431024), (287, 5298560), (320, 4752146), (328, 4636240), (340, 4472608), (410, 3708992), (448, 3394390), (476, 3194720), (487, 3122560), (544, 2795380), (560, 2715512), (574, 2649280), (595, 2555776), (640, 2376073), (656, 2318120), (680, 2236304), (697, 2181760), (820, 1854496), (896, 1697195), (952, 1597360), (974, 1561280), (1088, 1397690), (1120, 1357756), (1148, 1324640), (1190, 1277888), (1312, 1159060), (1360, 1118152), (1394, 1090880), (1435, 1059712), (1640, 927248), (1904, 798680), (1948, 780640), (2176, 698845), (2240, 678878), (2296, 662320), (2380, 638944), (2435, 624512), (2624, 579530), (2720, 559076), (2788, 545440), (2870, 529856), (3280, 463624), (3409, 446080), (3485, 436352), (3808, 399340), (3896, 390320), (4480, 339439), (4592, 331160), (4760, 319472), (4870, 312256), (4879, 311680), (5248, 289765), (5440, 279538), (5576, 272720), (5740, 264928), (6560, 231812), (6818, 223040), (6970, 218176), (7616, 199670), (7792, 195160), (8279, 183680), (9184, 165580), (9520, 159736), (9740, 156128), (9758, 155840), (10880, 139769), (11152, 136360), (11480, 132464), (13120, 115906), (13636, 111520), (13940, 109088), (15232, 99835), (15584, 97580), (16558, 91840), (17045, 89216), (18368, 82790), (19040, 79868), (19480, 78064), (19516, 77920), (19967, 76160), (22304, 68180), (22960, 66232), (24395, 62336), (26240, 57953), (27272, 55760), (27880, 54544), (31168, 48790), (33116, 45920), (34090, 44608), (36736, 41395), (38080, 39934), (38960, 39032)]