81757690

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{467}}^1$

素因数の和:583

約数の個数: 64

約数和(自身を含む): 175488768

約数和(自身を除く): 93731078

約数列:

[1, 2, 5, 7, 10, 14, 35, 41, 61, 70, 82, 122, 205, 287, 305, 410, 427, 467, 574, 610, 854, 934, 1435, 2135, 2335, 2501, 2870, 3269, 4270, 4670, 5002, 6538, 12505, 16345, 17507, 19147, 25010, 28487, 32690, 35014, 38294, 56974, 87535, 95735, 134029, 142435, 175070, 191470, 199409, 268058, 284870, 398818, 670145, 997045, 1167967, 1340290, 1994090, 2335934, 5839835, 8175769, 11679670, 16351538, 40878845, 81757690]

約数ペア:

[(1, 81757690), (2, 40878845), (5, 16351538), (7, 11679670), (10, 8175769), (14, 5839835), (35, 2335934), (41, 1994090), (61, 1340290), (70, 1167967), (82, 997045), (122, 670145), (205, 398818), (287, 284870), (305, 268058), (410, 199409), (427, 191470), (467, 175070), (574, 142435), (610, 134029), (854, 95735), (934, 87535), (1435, 56974), (2135, 38294), (2335, 35014), (2501, 32690), (2870, 28487), (3269, 25010), (4270, 19147), (4670, 17507), (5002, 16345), (6538, 12505)]