157430640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{655961}}^1$

素因数の和:655977

約数の個数: 40

約数和(自身を含む): 488035728

約数和(自身を除く): 330605088

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 655961, 1311922, 1967883, 2623844, 3279805, 3935766, 5247688, 6559610, 7871532, 9839415, 10495376, 13119220, 15743064, 19678830, 26238440, 31486128, 39357660, 52476880, 78715320, 157430640]

約数ペア:

[(1, 157430640), (2, 78715320), (3, 52476880), (4, 39357660), (5, 31486128), (6, 26238440), (8, 19678830), (10, 15743064), (12, 13119220), (15, 10495376), (16, 9839415), (20, 7871532), (24, 6559610), (30, 5247688), (40, 3935766), (48, 3279805), (60, 2623844), (80, 1967883), (120, 1311922), (240, 655961)]