61120840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{4481}}^1$

素因数の和:4534

約数の個数: 64

約数和(自身を含む): 154897920

約数和(自身を除く): 93777080

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 31, 40, 44, 55, 62, 88, 110, 124, 155, 220, 248, 310, 341, 440, 620, 682, 1240, 1364, 1705, 2728, 3410, 4481, 6820, 8962, 13640, 17924, 22405, 35848, 44810, 49291, 89620, 98582, 138911, 179240, 197164, 246455, 277822, 394328, 492910, 555644, 694555, 985820, 1111288, 1389110, 1528021, 1971640, 2778220, 3056042, 5556440, 6112084, 7640105, 12224168, 15280210, 30560420, 61120840]

約数ペア:

[(1, 61120840), (2, 30560420), (4, 15280210), (5, 12224168), (8, 7640105), (10, 6112084), (11, 5556440), (20, 3056042), (22, 2778220), (31, 1971640), (40, 1528021), (44, 1389110), (55, 1111288), (62, 985820), (88, 694555), (110, 555644), (124, 492910), (155, 394328), (220, 277822), (248, 246455), (310, 197164), (341, 179240), (440, 138911), (620, 98582), (682, 89620), (1240, 49291), (1364, 44810), (1705, 35848), (2728, 22405), (3410, 17924), (4481, 13640), (6820, 8962)]