51622760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{331}}^1\times {\mathrm{557}}^1$

素因数の和:906

約数の個数: 64

約数和(自身を含む): 133384320

約数和(自身を除く): 81761560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 331, 557, 662, 1114, 1324, 1655, 2228, 2317, 2648, 2785, 3310, 3899, 4456, 4634, 5570, 6620, 7798, 9268, 11140, 11585, 13240, 15596, 18536, 19495, 22280, 23170, 31192, 38990, 46340, 77980, 92680, 155960, 184367, 368734, 737468, 921835, 1290569, 1474936, 1843670, 2581138, 3687340, 5162276, 6452845, 7374680, 10324552, 12905690, 25811380, 51622760]

約数ペア:

[(1, 51622760), (2, 25811380), (4, 12905690), (5, 10324552), (7, 7374680), (8, 6452845), (10, 5162276), (14, 3687340), (20, 2581138), (28, 1843670), (35, 1474936), (40, 1290569), (56, 921835), (70, 737468), (140, 368734), (280, 184367), (331, 155960), (557, 92680), (662, 77980), (1114, 46340), (1324, 38990), (1655, 31192), (2228, 23170), (2317, 22280), (2648, 19495), (2785, 18536), (3310, 15596), (3899, 13240), (4456, 11585), (4634, 11140), (5570, 9268), (6620, 7798)]