30787500

素因数分解:

$2^2\times 3^1\times 5^5\times {\mathrm{821}}^1$

素因数の和:853

約数の個数: 72

約数和(自身を含む): 89900496

約数和(自身を除く): 59112996

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 125, 150, 250, 300, 375, 500, 625, 750, 821, 1250, 1500, 1642, 1875, 2463, 2500, 3125, 3284, 3750, 4105, 4926, 6250, 7500, 8210, 9375, 9852, 12315, 12500, 16420, 18750, 20525, 24630, 37500, 41050, 49260, 61575, 82100, 102625, 123150, 205250, 246300, 307875, 410500, 513125, 615750, 1026250, 1231500, 1539375, 2052500, 2565625, 3078750, 5131250, 6157500, 7696875, 10262500, 15393750, 30787500]

約数ペア:

[(1, 30787500), (2, 15393750), (3, 10262500), (4, 7696875), (5, 6157500), (6, 5131250), (10, 3078750), (12, 2565625), (15, 2052500), (20, 1539375), (25, 1231500), (30, 1026250), (50, 615750), (60, 513125), (75, 410500), (100, 307875), (125, 246300), (150, 205250), (250, 123150), (300, 102625), (375, 82100), (500, 61575), (625, 49260), (750, 41050), (821, 37500), (1250, 24630), (1500, 20525), (1642, 18750), (1875, 16420), (2463, 12500), (2500, 12315), (3125, 9852), (3284, 9375), (3750, 8210), (4105, 7500), (4926, 6250)]