263896160

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{317}}^1$

素因数の和:397

約数の個数: 144

約数和(自身を含む): 703433808

約数和(自身を除く): 439537648

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 43, 44, 55, 80, 86, 88, 110, 121, 160, 172, 176, 215, 220, 242, 317, 344, 352, 430, 440, 473, 484, 605, 634, 688, 860, 880, 946, 968, 1210, 1268, 1376, 1585, 1720, 1760, 1892, 1936, 2365, 2420, 2536, 3170, 3440, 3487, 3784, 3872, 4730, 4840, 5072, 5203, 6340, 6880, 6974, 7568, 9460, 9680, 10144, 10406, 12680, 13631, 13948, 15136, 17435, 18920, 19360, 20812, 25360, 26015, 27262, 27896, 34870, 37840, 38357, 41624, 50720, 52030, 54524, 55792, 68155, 69740, 75680, 76714, 83248, 104060, 109048, 111584, 136310, 139480, 149941, 153428, 166496, 191785, 208120, 218096, 272620, 278960, 299882, 306856, 383570, 416240, 436192, 545240, 557920, 599764, 613712, 749705, 767140, 832480, 1090480, 1199528, 1227424, 1499410, 1534280, 1649351, 2180960, 2399056, 2998820, 3068560, 3298702, 4798112, 5997640, 6137120, 6597404, 8246755, 11995280, 13194808, 16493510, 23990560, 26389616, 32987020, 52779232, 65974040, 131948080, 263896160]

約数ペア:

[(1, 263896160), (2, 131948080), (4, 65974040), (5, 52779232), (8, 32987020), (10, 26389616), (11, 23990560), (16, 16493510), (20, 13194808), (22, 11995280), (32, 8246755), (40, 6597404), (43, 6137120), (44, 5997640), (55, 4798112), (80, 3298702), (86, 3068560), (88, 2998820), (110, 2399056), (121, 2180960), (160, 1649351), (172, 1534280), (176, 1499410), (215, 1227424), (220, 1199528), (242, 1090480), (317, 832480), (344, 767140), (352, 749705), (430, 613712), (440, 599764), (473, 557920), (484, 545240), (605, 436192), (634, 416240), (688, 383570), (860, 306856), (880, 299882), (946, 278960), (968, 272620), (1210, 218096), (1268, 208120), (1376, 191785), (1585, 166496), (1720, 153428), (1760, 149941), (1892, 139480), (1936, 136310), (2365, 111584), (2420, 109048), (2536, 104060), (3170, 83248), (3440, 76714), (3487, 75680), (3784, 69740), (3872, 68155), (4730, 55792), (4840, 54524), (5072, 52030), (5203, 50720), (6340, 41624), (6880, 38357), (6974, 37840), (7568, 34870), (9460, 27896), (9680, 27262), (10144, 26015), (10406, 25360), (12680, 20812), (13631, 19360), (13948, 18920), (15136, 17435)]