64838040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{397}}^1\times {\mathrm{1361}}^1$

素因数の和:1772

約数の個数: 64

約数和(自身を含む): 195147360

約数和(自身を除く): 130309320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 397, 794, 1191, 1361, 1588, 1985, 2382, 2722, 3176, 3970, 4083, 4764, 5444, 5955, 6805, 7940, 8166, 9528, 10888, 11910, 13610, 15880, 16332, 20415, 23820, 27220, 32664, 40830, 47640, 54440, 81660, 163320, 540317, 1080634, 1620951, 2161268, 2701585, 3241902, 4322536, 5403170, 6483804, 8104755, 10806340, 12967608, 16209510, 21612680, 32419020, 64838040]

約数ペア:

[(1, 64838040), (2, 32419020), (3, 21612680), (4, 16209510), (5, 12967608), (6, 10806340), (8, 8104755), (10, 6483804), (12, 5403170), (15, 4322536), (20, 3241902), (24, 2701585), (30, 2161268), (40, 1620951), (60, 1080634), (120, 540317), (397, 163320), (794, 81660), (1191, 54440), (1361, 47640), (1588, 40830), (1985, 32664), (2382, 27220), (2722, 23820), (3176, 20415), (3970, 16332), (4083, 15880), (4764, 13610), (5444, 11910), (5955, 10888), (6805, 9528), (7940, 8166)]