15220270

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1$

素因数の和:205

約数の個数: 64

約数和(自身を含む): 32006016

約数和(自身を除く): 16785746

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 71, 85, 97, 130, 142, 170, 194, 221, 355, 442, 485, 710, 923, 970, 1105, 1207, 1261, 1649, 1846, 2210, 2414, 2522, 3298, 4615, 6035, 6305, 6887, 8245, 9230, 12070, 12610, 13774, 15691, 16490, 21437, 31382, 34435, 42874, 68870, 78455, 89531, 107185, 117079, 156910, 179062, 214370, 234158, 447655, 585395, 895310, 1170790, 1522027, 3044054, 7610135, 15220270]

約数ペア:

[(1, 15220270), (2, 7610135), (5, 3044054), (10, 1522027), (13, 1170790), (17, 895310), (26, 585395), (34, 447655), (65, 234158), (71, 214370), (85, 179062), (97, 156910), (130, 117079), (142, 107185), (170, 89531), (194, 78455), (221, 68870), (355, 42874), (442, 34435), (485, 31382), (710, 21437), (923, 16490), (970, 15691), (1105, 13774), (1207, 12610), (1261, 12070), (1649, 9230), (1846, 8245), (2210, 6887), (2414, 6305), (2522, 6035), (3298, 4615)]