68535880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{1621}}^1$

素因数の和:1790

約数の個数: 64

約数和(自身を含む): 177511680

約数和(自身を除く): 108975800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 151, 280, 302, 604, 755, 1057, 1208, 1510, 1621, 2114, 3020, 3242, 4228, 5285, 6040, 6484, 8105, 8456, 10570, 11347, 12968, 16210, 21140, 22694, 32420, 42280, 45388, 56735, 64840, 90776, 113470, 226940, 244771, 453880, 489542, 979084, 1223855, 1713397, 1958168, 2447710, 3426794, 4895420, 6853588, 8566985, 9790840, 13707176, 17133970, 34267940, 68535880]

約数ペア:

[(1, 68535880), (2, 34267940), (4, 17133970), (5, 13707176), (7, 9790840), (8, 8566985), (10, 6853588), (14, 4895420), (20, 3426794), (28, 2447710), (35, 1958168), (40, 1713397), (56, 1223855), (70, 979084), (140, 489542), (151, 453880), (280, 244771), (302, 226940), (604, 113470), (755, 90776), (1057, 64840), (1208, 56735), (1510, 45388), (1621, 42280), (2114, 32420), (3020, 22694), (3242, 21140), (4228, 16210), (5285, 12968), (6040, 11347), (6484, 10570), (8105, 8456)]