256349940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{55487}}^1$

素因数の和:55517

約数の個数: 96

約数和(自身を含む): 894910464

約数和(自身を除く): 638560524

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 20, 21, 22, 28, 30, 33, 35, 42, 44, 55, 60, 66, 70, 77, 84, 105, 110, 132, 140, 154, 165, 210, 220, 231, 308, 330, 385, 420, 462, 660, 770, 924, 1155, 1540, 2310, 4620, 55487, 110974, 166461, 221948, 277435, 332922, 388409, 554870, 610357, 665844, 776818, 832305, 1109740, 1165227, 1220714, 1553636, 1664610, 1831071, 1942045, 2330454, 2441428, 3051785, 3329220, 3662142, 3884090, 4272499, 4660908, 5826135, 6103570, 7324284, 7768180, 8544998, 9155355, 11652270, 12207140, 12817497, 17089996, 18310710, 21362495, 23304540, 25634994, 36621420, 42724990, 51269988, 64087485, 85449980, 128174970, 256349940]

約数ペア:

[(1, 256349940), (2, 128174970), (3, 85449980), (4, 64087485), (5, 51269988), (6, 42724990), (7, 36621420), (10, 25634994), (11, 23304540), (12, 21362495), (14, 18310710), (15, 17089996), (20, 12817497), (21, 12207140), (22, 11652270), (28, 9155355), (30, 8544998), (33, 7768180), (35, 7324284), (42, 6103570), (44, 5826135), (55, 4660908), (60, 4272499), (66, 3884090), (70, 3662142), (77, 3329220), (84, 3051785), (105, 2441428), (110, 2330454), (132, 1942045), (140, 1831071), (154, 1664610), (165, 1553636), (210, 1220714), (220, 1165227), (231, 1109740), (308, 832305), (330, 776818), (385, 665844), (420, 610357), (462, 554870), (660, 388409), (770, 332922), (924, 277435), (1155, 221948), (1540, 166461), (2310, 110974), (4620, 55487)]