71639960

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{36551}}^1$

素因数の和:36576

約数の個数: 48

約数和(自身を含む): 187511760

約数和(自身を除く): 115871800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 36551, 73102, 146204, 182755, 255857, 292408, 365510, 511714, 731020, 1023428, 1279285, 1462040, 1790999, 2046856, 2558570, 3581998, 5117140, 7163996, 8954995, 10234280, 14327992, 17909990, 35819980, 71639960]

約数ペア:

[(1, 71639960), (2, 35819980), (4, 17909990), (5, 14327992), (7, 10234280), (8, 8954995), (10, 7163996), (14, 5117140), (20, 3581998), (28, 2558570), (35, 2046856), (40, 1790999), (49, 1462040), (56, 1279285), (70, 1023428), (98, 731020), (140, 511714), (196, 365510), (245, 292408), (280, 255857), (392, 182755), (490, 146204), (980, 73102), (1960, 36551)]