61457580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{421}}^1\times {\mathrm{811}}^1$

素因数の和:1247

約数の個数: 72

約数和(自身を含む): 187094544

約数和(自身を除く): 125636964

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 421, 811, 842, 1263, 1622, 1684, 2105, 2433, 2526, 3244, 3789, 4055, 4210, 4866, 5052, 6315, 7299, 7578, 8110, 8420, 9732, 12165, 12630, 14598, 15156, 16220, 18945, 24330, 25260, 29196, 36495, 37890, 48660, 72990, 75780, 145980, 341431, 682862, 1024293, 1365724, 1707155, 2048586, 3072879, 3414310, 4097172, 5121465, 6145758, 6828620, 10242930, 12291516, 15364395, 20485860, 30728790, 61457580]

約数ペア:

[(1, 61457580), (2, 30728790), (3, 20485860), (4, 15364395), (5, 12291516), (6, 10242930), (9, 6828620), (10, 6145758), (12, 5121465), (15, 4097172), (18, 3414310), (20, 3072879), (30, 2048586), (36, 1707155), (45, 1365724), (60, 1024293), (90, 682862), (180, 341431), (421, 145980), (811, 75780), (842, 72990), (1263, 48660), (1622, 37890), (1684, 36495), (2105, 29196), (2433, 25260), (2526, 24330), (3244, 18945), (3789, 16220), (4055, 15156), (4210, 14598), (4866, 12630), (5052, 12165), (6315, 9732), (7299, 8420), (7578, 8110)]