131276730

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{409}}^1\times {\mathrm{823}}^1$

素因数の和:1255

約数の個数: 64

約数和(自身を含む): 340542720

約数和(自身を除く): 209265990

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 409, 818, 823, 1227, 1646, 2045, 2454, 2469, 4090, 4115, 4938, 5317, 6135, 8230, 10634, 10699, 12270, 12345, 15951, 21398, 24690, 26585, 31902, 32097, 53170, 53495, 64194, 79755, 106990, 159510, 160485, 320970, 336607, 673214, 1009821, 1683035, 2019642, 3366070, 4375891, 5049105, 8751782, 10098210, 13127673, 21879455, 26255346, 43758910, 65638365, 131276730]

約数ペア:

[(1, 131276730), (2, 65638365), (3, 43758910), (5, 26255346), (6, 21879455), (10, 13127673), (13, 10098210), (15, 8751782), (26, 5049105), (30, 4375891), (39, 3366070), (65, 2019642), (78, 1683035), (130, 1009821), (195, 673214), (390, 336607), (409, 320970), (818, 160485), (823, 159510), (1227, 106990), (1646, 79755), (2045, 64194), (2454, 53495), (2469, 53170), (4090, 32097), (4115, 31902), (4938, 26585), (5317, 24690), (6135, 21398), (8230, 15951), (10634, 12345), (10699, 12270)]