80684560

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{277}}^1\times {\mathrm{331}}^1$

素因数の和:632

約数の個数: 80

約数和(自身を含む): 206004672

約数和(自身を除く): 125320112

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 277, 331, 440, 554, 662, 880, 1108, 1324, 1385, 1655, 2216, 2648, 2770, 3047, 3310, 3641, 4432, 5296, 5540, 6094, 6620, 7282, 11080, 12188, 13240, 14564, 15235, 18205, 22160, 24376, 26480, 29128, 30470, 36410, 48752, 58256, 60940, 72820, 91687, 121880, 145640, 183374, 243760, 291280, 366748, 458435, 733496, 916870, 1008557, 1466992, 1833740, 2017114, 3667480, 4034228, 5042785, 7334960, 8068456, 10085570, 16136912, 20171140, 40342280, 80684560]

約数ペア:

[(1, 80684560), (2, 40342280), (4, 20171140), (5, 16136912), (8, 10085570), (10, 8068456), (11, 7334960), (16, 5042785), (20, 4034228), (22, 3667480), (40, 2017114), (44, 1833740), (55, 1466992), (80, 1008557), (88, 916870), (110, 733496), (176, 458435), (220, 366748), (277, 291280), (331, 243760), (440, 183374), (554, 145640), (662, 121880), (880, 91687), (1108, 72820), (1324, 60940), (1385, 58256), (1655, 48752), (2216, 36410), (2648, 30470), (2770, 29128), (3047, 26480), (3310, 24376), (3641, 22160), (4432, 18205), (5296, 15235), (5540, 14564), (6094, 13240), (6620, 12188), (7282, 11080)]