900120640

素因数分解:

$2^6\times 5^1\times {\mathrm{23}}^1\times {\mathrm{122299}}^1$

素因数の和:122339

約数の個数: 56

約数和(自身を含む): 2236622400

約数和(自身を除く): 1336501760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 160, 184, 230, 320, 368, 460, 736, 920, 1472, 1840, 3680, 7360, 122299, 244598, 489196, 611495, 978392, 1222990, 1956784, 2445980, 2812877, 3913568, 4891960, 5625754, 7827136, 9783920, 11251508, 14064385, 19567840, 22503016, 28128770, 39135680, 45006032, 56257540, 90012064, 112515080, 180024128, 225030160, 450060320, 900120640]

約数ペア:

[(1, 900120640), (2, 450060320), (4, 225030160), (5, 180024128), (8, 112515080), (10, 90012064), (16, 56257540), (20, 45006032), (23, 39135680), (32, 28128770), (40, 22503016), (46, 19567840), (64, 14064385), (80, 11251508), (92, 9783920), (115, 7827136), (160, 5625754), (184, 4891960), (230, 3913568), (320, 2812877), (368, 2445980), (460, 1956784), (736, 1222990), (920, 978392), (1472, 611495), (1840, 489196), (3680, 244598), (7360, 122299)]