684080

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{503}}^1$

素因数の和:533

約数の個数: 40

約数和(自身を含む): 1687392

約数和(自身を除く): 1003312

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 503, 680, 1006, 1360, 2012, 2515, 4024, 5030, 8048, 8551, 10060, 17102, 20120, 34204, 40240, 42755, 68408, 85510, 136816, 171020, 342040, 684080]

約数ペア:

[(1, 684080), (2, 342040), (4, 171020), (5, 136816), (8, 85510), (10, 68408), (16, 42755), (17, 40240), (20, 34204), (34, 20120), (40, 17102), (68, 10060), (80, 8551), (85, 8048), (136, 5030), (170, 4024), (272, 2515), (340, 2012), (503, 1360), (680, 1006)]