1520795840

素因数分解:

$2^6\times 5^1\times {\mathrm{397}}^1\times {\mathrm{11971}}^1$

素因数の和:12385

約数の個数: 56

約数和(自身を含む): 3630820272

約数和(自身を除く): 2110024432

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 397, 794, 1588, 1985, 3176, 3970, 6352, 7940, 11971, 12704, 15880, 23942, 25408, 31760, 47884, 59855, 63520, 95768, 119710, 127040, 191536, 239420, 383072, 478840, 766144, 957680, 1915360, 3830720, 4752487, 9504974, 19009948, 23762435, 38019896, 47524870, 76039792, 95049740, 152079584, 190099480, 304159168, 380198960, 760397920, 1520795840]

約数ペア:

[(1, 1520795840), (2, 760397920), (4, 380198960), (5, 304159168), (8, 190099480), (10, 152079584), (16, 95049740), (20, 76039792), (32, 47524870), (40, 38019896), (64, 23762435), (80, 19009948), (160, 9504974), (320, 4752487), (397, 3830720), (794, 1915360), (1588, 957680), (1985, 766144), (3176, 478840), (3970, 383072), (6352, 239420), (7940, 191536), (11971, 127040), (12704, 119710), (15880, 95768), (23942, 63520), (25408, 59855), (31760, 47884)]