81129696

素因数分解:

$2^5\times 3^1\times {\mathrm{19}}^2\times {\mathrm{2341}}^1$

素因数の和:2392

約数の個数: 72

約数和(自身を含む): 224860104

約数和(自身を除く): 143730408

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 32, 38, 48, 57, 76, 96, 114, 152, 228, 304, 361, 456, 608, 722, 912, 1083, 1444, 1824, 2166, 2341, 2888, 4332, 4682, 5776, 7023, 8664, 9364, 11552, 14046, 17328, 18728, 28092, 34656, 37456, 44479, 56184, 74912, 88958, 112368, 133437, 177916, 224736, 266874, 355832, 533748, 711664, 845101, 1067496, 1423328, 1690202, 2134992, 2535303, 3380404, 4269984, 5070606, 6760808, 10141212, 13521616, 20282424, 27043232, 40564848, 81129696]

約数ペア:

[(1, 81129696), (2, 40564848), (3, 27043232), (4, 20282424), (6, 13521616), (8, 10141212), (12, 6760808), (16, 5070606), (19, 4269984), (24, 3380404), (32, 2535303), (38, 2134992), (48, 1690202), (57, 1423328), (76, 1067496), (96, 845101), (114, 711664), (152, 533748), (228, 355832), (304, 266874), (361, 224736), (456, 177916), (608, 133437), (722, 112368), (912, 88958), (1083, 74912), (1444, 56184), (1824, 44479), (2166, 37456), (2341, 34656), (2888, 28092), (4332, 18728), (4682, 17328), (5776, 14046), (7023, 11552), (8664, 9364)]