1680459976

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1\times {\mathrm{2797}}^1$

素因数の和:2978

約数の個数: 64

約数和(自身を含む): 3490225200

約数和(自身を除く): 1809765224

約数列:

[1, 2, 4, 8, 13, 26, 52, 53, 104, 106, 109, 212, 218, 424, 436, 689, 872, 1378, 1417, 2756, 2797, 2834, 5512, 5594, 5668, 5777, 11188, 11336, 11554, 22376, 23108, 36361, 46216, 72722, 75101, 145444, 148241, 150202, 290888, 296482, 300404, 304873, 592964, 600808, 609746, 1185928, 1219492, 1927133, 2438984, 3854266, 3963349, 7708532, 7926698, 15417064, 15853396, 16158269, 31706792, 32316538, 64633076, 129266152, 210057497, 420114994, 840229988, 1680459976]

約数ペア:

[(1, 1680459976), (2, 840229988), (4, 420114994), (8, 210057497), (13, 129266152), (26, 64633076), (52, 32316538), (53, 31706792), (104, 16158269), (106, 15853396), (109, 15417064), (212, 7926698), (218, 7708532), (424, 3963349), (436, 3854266), (689, 2438984), (872, 1927133), (1378, 1219492), (1417, 1185928), (2756, 609746), (2797, 600808), (2834, 592964), (5512, 304873), (5594, 300404), (5668, 296482), (5777, 290888), (11188, 150202), (11336, 148241), (11554, 145444), (22376, 75101), (23108, 72722), (36361, 46216)]