64866840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{540557}}^1$

素因数の和:540571

約数の個数: 32

約数和(自身を含む): 194600880

約数和(自身を除く): 129734040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 540557, 1081114, 1621671, 2162228, 2702785, 3243342, 4324456, 5405570, 6486684, 8108355, 10811140, 12973368, 16216710, 21622280, 32433420, 64866840]

約数ペア:

[(1, 64866840), (2, 32433420), (3, 21622280), (4, 16216710), (5, 12973368), (6, 10811140), (8, 8108355), (10, 6486684), (12, 5405570), (15, 4324456), (20, 3243342), (24, 2702785), (30, 2162228), (40, 1621671), (60, 1081114), (120, 540557)]