178190480

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{5527}}^1$

素因数の和:5584

約数の個数: 80

約数和(自身を含む): 460637184

約数和(自身を除く): 282446704

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 62, 65, 80, 104, 124, 130, 155, 208, 248, 260, 310, 403, 496, 520, 620, 806, 1040, 1240, 1612, 2015, 2480, 3224, 4030, 5527, 6448, 8060, 11054, 16120, 22108, 27635, 32240, 44216, 55270, 71851, 88432, 110540, 143702, 171337, 221080, 287404, 342674, 359255, 442160, 574808, 685348, 718510, 856685, 1149616, 1370696, 1437020, 1713370, 2227381, 2741392, 2874040, 3426740, 4454762, 5748080, 6853480, 8909524, 11136905, 13706960, 17819048, 22273810, 35638096, 44547620, 89095240, 178190480]

約数ペア:

[(1, 178190480), (2, 89095240), (4, 44547620), (5, 35638096), (8, 22273810), (10, 17819048), (13, 13706960), (16, 11136905), (20, 8909524), (26, 6853480), (31, 5748080), (40, 4454762), (52, 3426740), (62, 2874040), (65, 2741392), (80, 2227381), (104, 1713370), (124, 1437020), (130, 1370696), (155, 1149616), (208, 856685), (248, 718510), (260, 685348), (310, 574808), (403, 442160), (496, 359255), (520, 342674), (620, 287404), (806, 221080), (1040, 171337), (1240, 143702), (1612, 110540), (2015, 88432), (2480, 71851), (3224, 55270), (4030, 44216), (5527, 32240), (6448, 27635), (8060, 22108), (11054, 16120)]