64331680

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{809}}^1$

素因数の和:902

約数の個数: 96

約数和(自身を含む): 176359680

約数和(自身を除く): 112028000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 71, 80, 112, 140, 142, 160, 224, 280, 284, 355, 497, 560, 568, 710, 809, 994, 1120, 1136, 1420, 1618, 1988, 2272, 2485, 2840, 3236, 3976, 4045, 4970, 5663, 5680, 6472, 7952, 8090, 9940, 11326, 11360, 12944, 15904, 16180, 19880, 22652, 25888, 28315, 32360, 39760, 45304, 56630, 57439, 64720, 79520, 90608, 113260, 114878, 129440, 181216, 226520, 229756, 287195, 402073, 453040, 459512, 574390, 804146, 906080, 919024, 1148780, 1608292, 1838048, 2010365, 2297560, 3216584, 4020730, 4595120, 6433168, 8041460, 9190240, 12866336, 16082920, 32165840, 64331680]

約数ペア:

[(1, 64331680), (2, 32165840), (4, 16082920), (5, 12866336), (7, 9190240), (8, 8041460), (10, 6433168), (14, 4595120), (16, 4020730), (20, 3216584), (28, 2297560), (32, 2010365), (35, 1838048), (40, 1608292), (56, 1148780), (70, 919024), (71, 906080), (80, 804146), (112, 574390), (140, 459512), (142, 453040), (160, 402073), (224, 287195), (280, 229756), (284, 226520), (355, 181216), (497, 129440), (560, 114878), (568, 113260), (710, 90608), (809, 79520), (994, 64720), (1120, 57439), (1136, 56630), (1420, 45304), (1618, 39760), (1988, 32360), (2272, 28315), (2485, 25888), (2840, 22652), (3236, 19880), (3976, 16180), (4045, 15904), (4970, 12944), (5663, 11360), (5680, 11326), (6472, 9940), (7952, 8090)]