18118103680

素因数分解:

$2^7\times 5^1\times {\mathrm{251}}^1\times {\mathrm{112787}}^1$

素因数の和:113057

約数の個数: 64

約数和(自身を含む): 43486541280

約数和(自身を除く): 25368437600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 251, 320, 502, 640, 1004, 1255, 2008, 2510, 4016, 5020, 8032, 10040, 16064, 20080, 32128, 40160, 80320, 112787, 160640, 225574, 451148, 563935, 902296, 1127870, 1804592, 2255740, 3609184, 4511480, 7218368, 9022960, 14436736, 18045920, 28309537, 36091840, 56619074, 72183680, 113238148, 141547685, 226476296, 283095370, 452952592, 566190740, 905905184, 1132381480, 1811810368, 2264762960, 3623620736, 4529525920, 9059051840, 18118103680]

約数ペア:

[(1, 18118103680), (2, 9059051840), (4, 4529525920), (5, 3623620736), (8, 2264762960), (10, 1811810368), (16, 1132381480), (20, 905905184), (32, 566190740), (40, 452952592), (64, 283095370), (80, 226476296), (128, 141547685), (160, 113238148), (251, 72183680), (320, 56619074), (502, 36091840), (640, 28309537), (1004, 18045920), (1255, 14436736), (2008, 9022960), (2510, 7218368), (4016, 4511480), (5020, 3609184), (8032, 2255740), (10040, 1804592), (16064, 1127870), (20080, 902296), (32128, 563935), (40160, 451148), (80320, 225574), (112787, 160640)]