90318680

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^2\times {\mathrm{503}}^1$

素因数の和:648

約数の個数: 48

約数和(自身を含む): 206705520

約数和(自身を除く): 116386840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 268, 335, 503, 536, 670, 1006, 1340, 2012, 2515, 2680, 4024, 4489, 5030, 8978, 10060, 17956, 20120, 22445, 33701, 35912, 44890, 67402, 89780, 134804, 168505, 179560, 269608, 337010, 674020, 1348040, 2257967, 4515934, 9031868, 11289835, 18063736, 22579670, 45159340, 90318680]

約数ペア:

[(1, 90318680), (2, 45159340), (4, 22579670), (5, 18063736), (8, 11289835), (10, 9031868), (20, 4515934), (40, 2257967), (67, 1348040), (134, 674020), (268, 337010), (335, 269608), (503, 179560), (536, 168505), (670, 134804), (1006, 89780), (1340, 67402), (2012, 44890), (2515, 35912), (2680, 33701), (4024, 22445), (4489, 20120), (5030, 17956), (8978, 10060)]