30753520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{54917}}^1$

素因数の和:54937

約数の個数: 40

約数和(自身を含む): 81717984

約数和(自身を除く): 50964464

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 54917, 109834, 219668, 274585, 384419, 439336, 549170, 768838, 878672, 1098340, 1537676, 1922095, 2196680, 3075352, 3844190, 4393360, 6150704, 7688380, 15376760, 30753520]

約数ペア:

[(1, 30753520), (2, 15376760), (4, 7688380), (5, 6150704), (7, 4393360), (8, 3844190), (10, 3075352), (14, 2196680), (16, 1922095), (20, 1537676), (28, 1098340), (35, 878672), (40, 768838), (56, 549170), (70, 439336), (80, 384419), (112, 274585), (140, 219668), (280, 109834), (560, 54917)]