71985810

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{1409}}^1$

素因数の和:1563

約数の個数: 64

約数和(自身を含む): 187608960

約数和(自身を除く): 115623150

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 131, 195, 262, 390, 393, 655, 786, 1310, 1409, 1703, 1965, 2818, 3406, 3930, 4227, 5109, 7045, 8454, 8515, 10218, 14090, 17030, 18317, 21135, 25545, 36634, 42270, 51090, 54951, 91585, 109902, 183170, 184579, 274755, 369158, 549510, 553737, 922895, 1107474, 1845790, 2399527, 2768685, 4799054, 5537370, 7198581, 11997635, 14397162, 23995270, 35992905, 71985810]

約数ペア:

[(1, 71985810), (2, 35992905), (3, 23995270), (5, 14397162), (6, 11997635), (10, 7198581), (13, 5537370), (15, 4799054), (26, 2768685), (30, 2399527), (39, 1845790), (65, 1107474), (78, 922895), (130, 553737), (131, 549510), (195, 369158), (262, 274755), (390, 184579), (393, 183170), (655, 109902), (786, 91585), (1310, 54951), (1409, 51090), (1703, 42270), (1965, 36634), (2818, 25545), (3406, 21135), (3930, 18317), (4227, 17030), (5109, 14090), (7045, 10218), (8454, 8515)]