68751420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{8747}}^1$

素因数の和:8890

約数の個数: 48

約数和(自身を含む): 193995648

約数和(自身を除く): 125244228

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 131, 262, 393, 524, 655, 786, 1310, 1572, 1965, 2620, 3930, 7860, 8747, 17494, 26241, 34988, 43735, 52482, 87470, 104964, 131205, 174940, 262410, 524820, 1145857, 2291714, 3437571, 4583428, 5729285, 6875142, 11458570, 13750284, 17187855, 22917140, 34375710, 68751420]

約数ペア:

[(1, 68751420), (2, 34375710), (3, 22917140), (4, 17187855), (5, 13750284), (6, 11458570), (10, 6875142), (12, 5729285), (15, 4583428), (20, 3437571), (30, 2291714), (60, 1145857), (131, 524820), (262, 262410), (393, 174940), (524, 131205), (655, 104964), (786, 87470), (1310, 52482), (1572, 43735), (1965, 34988), (2620, 26241), (3930, 17494), (7860, 8747)]