90021720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{8429}}^1$

素因数の和:8532

約数の個数: 64

約数和(自身を含む): 273132000

約数和(自身を除く): 183110280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 89, 120, 178, 267, 356, 445, 534, 712, 890, 1068, 1335, 1780, 2136, 2670, 3560, 5340, 8429, 10680, 16858, 25287, 33716, 42145, 50574, 67432, 84290, 101148, 126435, 168580, 202296, 252870, 337160, 505740, 750181, 1011480, 1500362, 2250543, 3000724, 3750905, 4501086, 6001448, 7501810, 9002172, 11252715, 15003620, 18004344, 22505430, 30007240, 45010860, 90021720]

約数ペア:

[(1, 90021720), (2, 45010860), (3, 30007240), (4, 22505430), (5, 18004344), (6, 15003620), (8, 11252715), (10, 9002172), (12, 7501810), (15, 6001448), (20, 4501086), (24, 3750905), (30, 3000724), (40, 2250543), (60, 1500362), (89, 1011480), (120, 750181), (178, 505740), (267, 337160), (356, 252870), (445, 202296), (534, 168580), (712, 126435), (890, 101148), (1068, 84290), (1335, 67432), (1780, 50574), (2136, 42145), (2670, 33716), (3560, 25287), (5340, 16858), (8429, 10680)]