71908280

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{107}}^1\times {\mathrm{317}}^1$

素因数の和:488

約数の個数: 64

約数和(自身を含む): 166911840

約数和(自身を除く): 95003560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 107, 212, 214, 265, 317, 424, 428, 530, 535, 634, 856, 1060, 1070, 1268, 1585, 2120, 2140, 2536, 3170, 4280, 5671, 6340, 11342, 12680, 16801, 22684, 28355, 33602, 33919, 45368, 56710, 67204, 67838, 84005, 113420, 134408, 135676, 168010, 169595, 226840, 271352, 336020, 339190, 672040, 678380, 1356760, 1797707, 3595414, 7190828, 8988535, 14381656, 17977070, 35954140, 71908280]

約数ペア:

[(1, 71908280), (2, 35954140), (4, 17977070), (5, 14381656), (8, 8988535), (10, 7190828), (20, 3595414), (40, 1797707), (53, 1356760), (106, 678380), (107, 672040), (212, 339190), (214, 336020), (265, 271352), (317, 226840), (424, 169595), (428, 168010), (530, 135676), (535, 134408), (634, 113420), (856, 84005), (1060, 67838), (1070, 67204), (1268, 56710), (1585, 45368), (2120, 33919), (2140, 33602), (2536, 28355), (3170, 22684), (4280, 16801), (5671, 12680), (6340, 11342)]