18152320

素因数分解:

$2^7\times 5^1\times {\mathrm{113}}^1\times {\mathrm{251}}^1$

素因数の和:383

約数の個数: 64

約数和(自身を含む): 43953840

約数和(自身を除く): 25801520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 113, 128, 160, 226, 251, 320, 452, 502, 565, 640, 904, 1004, 1130, 1255, 1808, 2008, 2260, 2510, 3616, 4016, 4520, 5020, 7232, 8032, 9040, 10040, 14464, 16064, 18080, 20080, 28363, 32128, 36160, 40160, 56726, 72320, 80320, 113452, 141815, 160640, 226904, 283630, 453808, 567260, 907616, 1134520, 1815232, 2269040, 3630464, 4538080, 9076160, 18152320]

約数ペア:

[(1, 18152320), (2, 9076160), (4, 4538080), (5, 3630464), (8, 2269040), (10, 1815232), (16, 1134520), (20, 907616), (32, 567260), (40, 453808), (64, 283630), (80, 226904), (113, 160640), (128, 141815), (160, 113452), (226, 80320), (251, 72320), (320, 56726), (452, 40160), (502, 36160), (565, 32128), (640, 28363), (904, 20080), (1004, 18080), (1130, 16064), (1255, 14464), (1808, 10040), (2008, 9040), (2260, 8032), (2510, 7232), (3616, 5020), (4016, 4520)]