656793930

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{653}}^1\times {\mathrm{2579}}^1$

素因数の和:3255

約数の個数: 64

約数和(自身を含む): 1700818560

約数和(自身を除く): 1044024630

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 653, 1306, 1959, 2579, 3265, 3918, 5158, 6530, 7737, 8489, 9795, 12895, 15474, 16978, 19590, 25467, 25790, 33527, 38685, 42445, 50934, 67054, 77370, 84890, 100581, 127335, 167635, 201162, 254670, 335270, 502905, 1005810, 1684087, 3368174, 5052261, 8420435, 10104522, 16840870, 21893131, 25261305, 43786262, 50522610, 65679393, 109465655, 131358786, 218931310, 328396965, 656793930]

約数ペア:

[(1, 656793930), (2, 328396965), (3, 218931310), (5, 131358786), (6, 109465655), (10, 65679393), (13, 50522610), (15, 43786262), (26, 25261305), (30, 21893131), (39, 16840870), (65, 10104522), (78, 8420435), (130, 5052261), (195, 3368174), (390, 1684087), (653, 1005810), (1306, 502905), (1959, 335270), (2579, 254670), (3265, 201162), (3918, 167635), (5158, 127335), (6530, 100581), (7737, 84890), (8489, 77370), (9795, 67054), (12895, 50934), (15474, 42445), (16978, 38685), (19590, 33527), (25467, 25790)]