72815720

素因数分解:

$2^3\times 5^1\times {\mathrm{607}}^1\times {\mathrm{2999}}^1$

素因数の和:3617

約数の個数: 32

約数和(自身を含む): 164160000

約数和(自身を除く): 91344280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 607, 1214, 2428, 2999, 3035, 4856, 5998, 6070, 11996, 12140, 14995, 23992, 24280, 29990, 59980, 119960, 1820393, 3640786, 7281572, 9101965, 14563144, 18203930, 36407860, 72815720]

約数ペア:

[(1, 72815720), (2, 36407860), (4, 18203930), (5, 14563144), (8, 9101965), (10, 7281572), (20, 3640786), (40, 1820393), (607, 119960), (1214, 59980), (2428, 29990), (2999, 24280), (3035, 23992), (4856, 14995), (5998, 12140), (6070, 11996)]