255957080

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1\times {\mathrm{1367}}^1$

素因数の和:1560

約数の個数: 64

約数和(自身を含む): 598855680

約数和(自身を除く): 342898600

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 151, 155, 248, 302, 310, 604, 620, 755, 1208, 1240, 1367, 1510, 2734, 3020, 4681, 5468, 6040, 6835, 9362, 10936, 13670, 18724, 23405, 27340, 37448, 42377, 46810, 54680, 84754, 93620, 169508, 187240, 206417, 211885, 339016, 412834, 423770, 825668, 847540, 1032085, 1651336, 1695080, 2064170, 4128340, 6398927, 8256680, 12797854, 25595708, 31994635, 51191416, 63989270, 127978540, 255957080]

約数ペア:

[(1, 255957080), (2, 127978540), (4, 63989270), (5, 51191416), (8, 31994635), (10, 25595708), (20, 12797854), (31, 8256680), (40, 6398927), (62, 4128340), (124, 2064170), (151, 1695080), (155, 1651336), (248, 1032085), (302, 847540), (310, 825668), (604, 423770), (620, 412834), (755, 339016), (1208, 211885), (1240, 206417), (1367, 187240), (1510, 169508), (2734, 93620), (3020, 84754), (4681, 54680), (5468, 46810), (6040, 42377), (6835, 37448), (9362, 27340), (10936, 23405), (13670, 18724)]