68343220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{911}}^1$

素因数の和:973

約数の個数: 72

約数和(自身を含む): 163021824

約数和(自身を除く): 94678604

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 62, 110, 121, 124, 155, 220, 242, 310, 341, 484, 605, 620, 682, 911, 1210, 1364, 1705, 1822, 2420, 3410, 3644, 3751, 4555, 6820, 7502, 9110, 10021, 15004, 18220, 18755, 20042, 28241, 37510, 40084, 50105, 56482, 75020, 100210, 110231, 112964, 141205, 200420, 220462, 282410, 310651, 440924, 551155, 564820, 621302, 1102310, 1242604, 1553255, 2204620, 3106510, 3417161, 6213020, 6834322, 13668644, 17085805, 34171610, 68343220]

約数ペア:

[(1, 68343220), (2, 34171610), (4, 17085805), (5, 13668644), (10, 6834322), (11, 6213020), (20, 3417161), (22, 3106510), (31, 2204620), (44, 1553255), (55, 1242604), (62, 1102310), (110, 621302), (121, 564820), (124, 551155), (155, 440924), (220, 310651), (242, 282410), (310, 220462), (341, 200420), (484, 141205), (605, 112964), (620, 110231), (682, 100210), (911, 75020), (1210, 56482), (1364, 50105), (1705, 40084), (1822, 37510), (2420, 28241), (3410, 20042), (3644, 18755), (3751, 18220), (4555, 15004), (6820, 10021), (7502, 9110)]