157218640

素因数分解:

$2^4\times 5^1\times {\mathrm{73}}^1\times {\mathrm{26921}}^1$

素因数の和:27007

約数の個数: 40

約数和(自身を含む): 370554408

約数和(自身を除く): 213335768

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 73, 80, 146, 292, 365, 584, 730, 1168, 1460, 2920, 5840, 26921, 53842, 107684, 134605, 215368, 269210, 430736, 538420, 1076840, 1965233, 2153680, 3930466, 7860932, 9826165, 15721864, 19652330, 31443728, 39304660, 78609320, 157218640]

約数ペア:

[(1, 157218640), (2, 78609320), (4, 39304660), (5, 31443728), (8, 19652330), (10, 15721864), (16, 9826165), (20, 7860932), (40, 3930466), (73, 2153680), (80, 1965233), (146, 1076840), (292, 538420), (365, 430736), (584, 269210), (730, 215368), (1168, 134605), (1460, 107684), (2920, 53842), (5840, 26921)]