30701820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{7207}}^1$

素因数の和:7290

約数の個数: 48

約数和(自身を含む): 87187968

約数和(自身を除く): 56486148

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 71, 142, 213, 284, 355, 426, 710, 852, 1065, 1420, 2130, 4260, 7207, 14414, 21621, 28828, 36035, 43242, 72070, 86484, 108105, 144140, 216210, 432420, 511697, 1023394, 1535091, 2046788, 2558485, 3070182, 5116970, 6140364, 7675455, 10233940, 15350910, 30701820]

約数ペア:

[(1, 30701820), (2, 15350910), (3, 10233940), (4, 7675455), (5, 6140364), (6, 5116970), (10, 3070182), (12, 2558485), (15, 2046788), (20, 1535091), (30, 1023394), (60, 511697), (71, 432420), (142, 216210), (213, 144140), (284, 108105), (355, 86484), (426, 72070), (710, 43242), (852, 36035), (1065, 28828), (1420, 21621), (2130, 14414), (4260, 7207)]