864240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{277}}^1$

素因数の和:306

約数の個数: 80

約数和(自身を含む): 2895648

約数和(自身を除く): 2031408

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, 277, 312, 390, 520, 554, 624, 780, 831, 1040, 1108, 1385, 1560, 1662, 2216, 2770, 3120, 3324, 3601, 4155, 4432, 5540, 6648, 7202, 8310, 10803, 11080, 13296, 14404, 16620, 18005, 21606, 22160, 28808, 33240, 36010, 43212, 54015, 57616, 66480, 72020, 86424, 108030, 144040, 172848, 216060, 288080, 432120, 864240]

約数ペア:

[(1, 864240), (2, 432120), (3, 288080), (4, 216060), (5, 172848), (6, 144040), (8, 108030), (10, 86424), (12, 72020), (13, 66480), (15, 57616), (16, 54015), (20, 43212), (24, 36010), (26, 33240), (30, 28808), (39, 22160), (40, 21606), (48, 18005), (52, 16620), (60, 14404), (65, 13296), (78, 11080), (80, 10803), (104, 8310), (120, 7202), (130, 6648), (156, 5540), (195, 4432), (208, 4155), (240, 3601), (260, 3324), (277, 3120), (312, 2770), (390, 2216), (520, 1662), (554, 1560), (624, 1385), (780, 1108), (831, 1040)]