399470160

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{1664459}}^1$

素因数の和:1664475

約数の個数: 40

約数和(自身を含む): 1238358240

約数和(自身を除く): 838888080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 1664459, 3328918, 4993377, 6657836, 8322295, 9986754, 13315672, 16644590, 19973508, 24966885, 26631344, 33289180, 39947016, 49933770, 66578360, 79894032, 99867540, 133156720, 199735080, 399470160]

約数ペア:

[(1, 399470160), (2, 199735080), (3, 133156720), (4, 99867540), (5, 79894032), (6, 66578360), (8, 49933770), (10, 39947016), (12, 33289180), (15, 26631344), (16, 24966885), (20, 19973508), (24, 16644590), (30, 13315672), (40, 9986754), (48, 8322295), (60, 6657836), (80, 4993377), (120, 3328918), (240, 1664459)]