15921580

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{283}}^1$

素因数の和:418

約数の個数: 48

約数和(自身を含む): 35068320

約数和(自身を除く): 19146740

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 97, 116, 145, 194, 283, 290, 388, 485, 566, 580, 970, 1132, 1415, 1940, 2813, 2830, 5626, 5660, 8207, 11252, 14065, 16414, 27451, 28130, 32828, 41035, 54902, 56260, 82070, 109804, 137255, 164140, 274510, 549020, 796079, 1592158, 3184316, 3980395, 7960790, 15921580]

約数ペア:

[(1, 15921580), (2, 7960790), (4, 3980395), (5, 3184316), (10, 1592158), (20, 796079), (29, 549020), (58, 274510), (97, 164140), (116, 137255), (145, 109804), (194, 82070), (283, 56260), (290, 54902), (388, 41035), (485, 32828), (566, 28130), (580, 27451), (970, 16414), (1132, 14065), (1415, 11252), (1940, 8207), (2813, 5660), (2830, 5626)]