247258920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{29021}}^1$

素因数の和:29106

約数の個数: 64

約数和(自身を含む): 752250240

約数和(自身を除く): 504991320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 71, 120, 142, 213, 284, 355, 426, 568, 710, 852, 1065, 1420, 1704, 2130, 2840, 4260, 8520, 29021, 58042, 87063, 116084, 145105, 174126, 232168, 290210, 348252, 435315, 580420, 696504, 870630, 1160840, 1741260, 2060491, 3482520, 4120982, 6181473, 8241964, 10302455, 12362946, 16483928, 20604910, 24725892, 30907365, 41209820, 49451784, 61814730, 82419640, 123629460, 247258920]

約数ペア:

[(1, 247258920), (2, 123629460), (3, 82419640), (4, 61814730), (5, 49451784), (6, 41209820), (8, 30907365), (10, 24725892), (12, 20604910), (15, 16483928), (20, 12362946), (24, 10302455), (30, 8241964), (40, 6181473), (60, 4120982), (71, 3482520), (120, 2060491), (142, 1741260), (213, 1160840), (284, 870630), (355, 696504), (426, 580420), (568, 435315), (710, 348252), (852, 290210), (1065, 232168), (1420, 174126), (1704, 145105), (2130, 116084), (2840, 87063), (4260, 58042), (8520, 29021)]