31430040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{261917}}^1$

素因数の和:261931

約数の個数: 32

約数和(自身を含む): 94290480

約数和(自身を除く): 62860440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 261917, 523834, 785751, 1047668, 1309585, 1571502, 2095336, 2619170, 3143004, 3928755, 5238340, 6286008, 7857510, 10476680, 15715020, 31430040]

約数ペア:

[(1, 31430040), (2, 15715020), (3, 10476680), (4, 7857510), (5, 6286008), (6, 5238340), (8, 3928755), (10, 3143004), (12, 2619170), (15, 2095336), (20, 1571502), (24, 1309585), (30, 1047668), (40, 785751), (60, 523834), (120, 261917)]