678620670

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{248579}}^1$

素因数の和:248609

約数の個数: 64

約数和(自身を含む): 2004549120

約数和(自身を除く): 1325928450

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 21, 26, 30, 35, 39, 42, 65, 70, 78, 91, 105, 130, 182, 195, 210, 273, 390, 455, 546, 910, 1365, 2730, 248579, 497158, 745737, 1242895, 1491474, 1740053, 2485790, 3231527, 3480106, 3728685, 5220159, 6463054, 7457370, 8700265, 9694581, 10440318, 16157635, 17400530, 19389162, 22620689, 26100795, 32315270, 45241378, 48472905, 52201590, 67862067, 96945810, 113103445, 135724134, 226206890, 339310335, 678620670]

約数ペア:

[(1, 678620670), (2, 339310335), (3, 226206890), (5, 135724134), (6, 113103445), (7, 96945810), (10, 67862067), (13, 52201590), (14, 48472905), (15, 45241378), (21, 32315270), (26, 26100795), (30, 22620689), (35, 19389162), (39, 17400530), (42, 16157635), (65, 10440318), (70, 9694581), (78, 8700265), (91, 7457370), (105, 6463054), (130, 5220159), (182, 3728685), (195, 3480106), (210, 3231527), (273, 2485790), (390, 1740053), (455, 1491474), (546, 1242895), (910, 745737), (1365, 497158), (2730, 248579)]