817181040

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{261917}}^1$

素因数の和:261946

約数の個数: 80

約数和(自身を含む): 2728137888

約数和(自身を除く): 1910956848

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120, 261917, 523834, 785751, 1047668, 1309585, 1571502, 2095336, 2619170, 3143004, 3404921, 3928755, 4190672, 5238340, 6286008, 6809842, 7857510, 10214763, 10476680, 12572016, 13619684, 15715020, 17024605, 20429526, 20953360, 27239368, 31430040, 34049210, 40859052, 51073815, 54478736, 62860080, 68098420, 81718104, 102147630, 136196840, 163436208, 204295260, 272393680, 408590520, 817181040]

約数ペア:

[(1, 817181040), (2, 408590520), (3, 272393680), (4, 204295260), (5, 163436208), (6, 136196840), (8, 102147630), (10, 81718104), (12, 68098420), (13, 62860080), (15, 54478736), (16, 51073815), (20, 40859052), (24, 34049210), (26, 31430040), (30, 27239368), (39, 20953360), (40, 20429526), (48, 17024605), (52, 15715020), (60, 13619684), (65, 12572016), (78, 10476680), (80, 10214763), (104, 7857510), (120, 6809842), (130, 6286008), (156, 5238340), (195, 4190672), (208, 3928755), (240, 3404921), (260, 3143004), (312, 2619170), (390, 2095336), (520, 1571502), (624, 1309585), (780, 1047668), (1040, 785751), (1560, 523834), (3120, 261917)]