173920640

素因数分解:

$2^7\times 5^1\times {\mathrm{331}}^1\times {\mathrm{821}}^1$

素因数の和:1171

約数の個数: 64

約数和(自身を含む): 417543120

約数和(自身を除く): 243622480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 331, 640, 662, 821, 1324, 1642, 1655, 2648, 3284, 3310, 4105, 5296, 6568, 6620, 8210, 10592, 13136, 13240, 16420, 21184, 26272, 26480, 32840, 42368, 52544, 52960, 65680, 105088, 105920, 131360, 211840, 262720, 271751, 525440, 543502, 1087004, 1358755, 2174008, 2717510, 4348016, 5435020, 8696032, 10870040, 17392064, 21740080, 34784128, 43480160, 86960320, 173920640]

約数ペア:

[(1, 173920640), (2, 86960320), (4, 43480160), (5, 34784128), (8, 21740080), (10, 17392064), (16, 10870040), (20, 8696032), (32, 5435020), (40, 4348016), (64, 2717510), (80, 2174008), (128, 1358755), (160, 1087004), (320, 543502), (331, 525440), (640, 271751), (662, 262720), (821, 211840), (1324, 131360), (1642, 105920), (1655, 105088), (2648, 65680), (3284, 52960), (3310, 52544), (4105, 42368), (5296, 32840), (6568, 26480), (6620, 26272), (8210, 21184), (10592, 16420), (13136, 13240)]