72916870

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{557}}^1$

素因数の和:649

約数の個数: 64

約数和(自身を含む): 151865280

約数和(自身を除く): 78948410

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 53, 65, 95, 106, 130, 190, 247, 265, 494, 530, 557, 689, 1007, 1114, 1235, 1378, 2014, 2470, 2785, 3445, 5035, 5570, 6890, 7241, 10070, 10583, 13091, 14482, 21166, 26182, 29521, 36205, 52915, 59042, 65455, 72410, 105830, 130910, 137579, 147605, 275158, 295210, 383773, 560899, 687895, 767546, 1121798, 1375790, 1918865, 2804495, 3837730, 5608990, 7291687, 14583374, 36458435, 72916870]

約数ペア:

[(1, 72916870), (2, 36458435), (5, 14583374), (10, 7291687), (13, 5608990), (19, 3837730), (26, 2804495), (38, 1918865), (53, 1375790), (65, 1121798), (95, 767546), (106, 687895), (130, 560899), (190, 383773), (247, 295210), (265, 275158), (494, 147605), (530, 137579), (557, 130910), (689, 105830), (1007, 72410), (1114, 65455), (1235, 59042), (1378, 52915), (2014, 36205), (2470, 29521), (2785, 26182), (3445, 21166), (5035, 14482), (5570, 13091), (6890, 10583), (7241, 10070)]