278981040

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89417}}^1$

素因数の和:89446

約数の個数: 80

約数和(自身を含む): 931377888

約数和(自身を除く): 652396848

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, 89417, 178834, 268251, 357668, 447085, 536502, 715336, 894170, 1073004, 1162421, 1341255, 1430672, 1788340, 2146008, 2324842, 2682510, 3487263, 3576680, 4292016, 4649684, 5365020, 5812105, 6974526, 7153360, 9299368, 10730040, 11624210, 13949052, 17436315, 18598736, 21460080, 23248420, 27898104, 34872630, 46496840, 55796208, 69745260, 92993680, 139490520, 278981040]

約数ペア:

[(1, 278981040), (2, 139490520), (3, 92993680), (4, 69745260), (5, 55796208), (6, 46496840), (8, 34872630), (10, 27898104), (12, 23248420), (13, 21460080), (15, 18598736), (16, 17436315), (20, 13949052), (24, 11624210), (26, 10730040), (30, 9299368), (39, 7153360), (40, 6974526), (48, 5812105), (52, 5365020), (60, 4649684), (65, 4292016), (78, 3576680), (80, 3487263), (104, 2682510), (120, 2324842), (130, 2146008), (156, 1788340), (195, 1430672), (208, 1341255), (240, 1162421), (260, 1073004), (312, 894170), (390, 715336), (520, 536502), (624, 447085), (780, 357668), (1040, 268251), (1560, 178834), (3120, 89417)]