64436880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{268487}}^1$

素因数の和:268503

約数の個数: 40

約数和(自身を含む): 199755072

約数和(自身を除く): 135318192

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 268487, 536974, 805461, 1073948, 1342435, 1610922, 2147896, 2684870, 3221844, 4027305, 4295792, 5369740, 6443688, 8054610, 10739480, 12887376, 16109220, 21478960, 32218440, 64436880]

約数ペア:

[(1, 64436880), (2, 32218440), (3, 21478960), (4, 16109220), (5, 12887376), (6, 10739480), (8, 8054610), (10, 6443688), (12, 5369740), (15, 4295792), (16, 4027305), (20, 3221844), (24, 2684870), (30, 2147896), (40, 1610922), (48, 1342435), (60, 1073948), (80, 805461), (120, 536974), (240, 268487)]