73220320

素因数分解:

$2^5\times 5^1\times {\mathrm{421}}^1\times {\mathrm{1087}}^1$

素因数の和:1523

約数の個数: 48

約数和(自身を含む): 173553408

約数和(自身を除く): 100333088

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 421, 842, 1087, 1684, 2105, 2174, 3368, 4210, 4348, 5435, 6736, 8420, 8696, 10870, 13472, 16840, 17392, 21740, 33680, 34784, 43480, 67360, 86960, 173920, 457627, 915254, 1830508, 2288135, 3661016, 4576270, 7322032, 9152540, 14644064, 18305080, 36610160, 73220320]

約数ペア:

[(1, 73220320), (2, 36610160), (4, 18305080), (5, 14644064), (8, 9152540), (10, 7322032), (16, 4576270), (20, 3661016), (32, 2288135), (40, 1830508), (80, 915254), (160, 457627), (421, 173920), (842, 86960), (1087, 67360), (1684, 43480), (2105, 34784), (2174, 33680), (3368, 21740), (4210, 17392), (4348, 16840), (5435, 13472), (6736, 10870), (8420, 8696)]