180557820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43613}}^1$

素因数の和:43651

約数の個数: 72

約数和(自身を含む): 571517856

約数和(自身を除く): 390960036

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 90, 92, 115, 138, 180, 207, 230, 276, 345, 414, 460, 690, 828, 1035, 1380, 2070, 4140, 43613, 87226, 130839, 174452, 218065, 261678, 392517, 436130, 523356, 654195, 785034, 872260, 1003099, 1308390, 1570068, 1962585, 2006198, 2616780, 3009297, 3925170, 4012396, 5015495, 6018594, 7850340, 9027891, 10030990, 12037188, 15046485, 18055782, 20061980, 30092970, 36111564, 45139455, 60185940, 90278910, 180557820]

約数ペア:

[(1, 180557820), (2, 90278910), (3, 60185940), (4, 45139455), (5, 36111564), (6, 30092970), (9, 20061980), (10, 18055782), (12, 15046485), (15, 12037188), (18, 10030990), (20, 9027891), (23, 7850340), (30, 6018594), (36, 5015495), (45, 4012396), (46, 3925170), (60, 3009297), (69, 2616780), (90, 2006198), (92, 1962585), (115, 1570068), (138, 1308390), (180, 1003099), (207, 872260), (230, 785034), (276, 654195), (345, 523356), (414, 436130), (460, 392517), (690, 261678), (828, 218065), (1035, 174452), (1380, 130839), (2070, 87226), (4140, 43613)]