81355170

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{337}}^1\times {\mathrm{619}}^1$

素因数の和:979

約数の個数: 64

約数和(自身を含む): 211236480

約数和(自身を除く): 129881310

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 337, 390, 619, 674, 1011, 1238, 1685, 1857, 2022, 3095, 3370, 3714, 4381, 5055, 6190, 8047, 8762, 9285, 10110, 13143, 16094, 18570, 21905, 24141, 26286, 40235, 43810, 48282, 65715, 80470, 120705, 131430, 208603, 241410, 417206, 625809, 1043015, 1251618, 2086030, 2711839, 3129045, 5423678, 6258090, 8135517, 13559195, 16271034, 27118390, 40677585, 81355170]

約数ペア:

[(1, 81355170), (2, 40677585), (3, 27118390), (5, 16271034), (6, 13559195), (10, 8135517), (13, 6258090), (15, 5423678), (26, 3129045), (30, 2711839), (39, 2086030), (65, 1251618), (78, 1043015), (130, 625809), (195, 417206), (337, 241410), (390, 208603), (619, 131430), (674, 120705), (1011, 80470), (1238, 65715), (1685, 48282), (1857, 43810), (2022, 40235), (3095, 26286), (3370, 24141), (3714, 21905), (4381, 18570), (5055, 16094), (6190, 13143), (8047, 10110), (8762, 9285)]