1262040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{809}}^1$

素因数の和:836

約数の個数: 64

約数和(自身を含む): 4082400

約数和(自身を除く): 2820360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 809, 1560, 1618, 2427, 3236, 4045, 4854, 6472, 8090, 9708, 10517, 12135, 16180, 19416, 21034, 24270, 31551, 32360, 42068, 48540, 52585, 63102, 84136, 97080, 105170, 126204, 157755, 210340, 252408, 315510, 420680, 631020, 1262040]

約数ペア:

[(1, 1262040), (2, 631020), (3, 420680), (4, 315510), (5, 252408), (6, 210340), (8, 157755), (10, 126204), (12, 105170), (13, 97080), (15, 84136), (20, 63102), (24, 52585), (26, 48540), (30, 42068), (39, 32360), (40, 31551), (52, 24270), (60, 21034), (65, 19416), (78, 16180), (104, 12135), (120, 10517), (130, 9708), (156, 8090), (195, 6472), (260, 4854), (312, 4045), (390, 3236), (520, 2427), (780, 1618), (809, 1560)]