1231960

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1621}}^1$

素因数の和:1651

約数の個数: 32

約数和(自身を含む): 2919600

約数和(自身を除く): 1687640

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 1621, 3242, 6484, 8105, 12968, 16210, 30799, 32420, 61598, 64840, 123196, 153995, 246392, 307990, 615980, 1231960]

約数ペア:

[(1, 1231960), (2, 615980), (4, 307990), (5, 246392), (8, 153995), (10, 123196), (19, 64840), (20, 61598), (38, 32420), (40, 30799), (76, 16210), (95, 12968), (152, 8105), (190, 6484), (380, 3242), (760, 1621)]