68188840

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{433}}^1$

素因数の和:602

約数の個数: 64

約数和(自身を含む): 159989760

約数和(自身を除く): 91800920

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 127, 155, 248, 254, 310, 433, 508, 620, 635, 866, 1016, 1240, 1270, 1732, 2165, 2540, 3464, 3937, 4330, 5080, 7874, 8660, 13423, 15748, 17320, 19685, 26846, 31496, 39370, 53692, 54991, 67115, 78740, 107384, 109982, 134230, 157480, 219964, 268460, 274955, 439928, 536920, 549910, 1099820, 1704721, 2199640, 3409442, 6818884, 8523605, 13637768, 17047210, 34094420, 68188840]

約数ペア:

[(1, 68188840), (2, 34094420), (4, 17047210), (5, 13637768), (8, 8523605), (10, 6818884), (20, 3409442), (31, 2199640), (40, 1704721), (62, 1099820), (124, 549910), (127, 536920), (155, 439928), (248, 274955), (254, 268460), (310, 219964), (433, 157480), (508, 134230), (620, 109982), (635, 107384), (866, 78740), (1016, 67115), (1240, 54991), (1270, 53692), (1732, 39370), (2165, 31496), (2540, 26846), (3464, 19685), (3937, 17320), (4330, 15748), (5080, 13423), (7874, 8660)]