61807480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{2063}}^1$

素因数の和:2188

約数の個数: 64

約数和(自身を含む): 160496640

約数和(自身を除く): 98689160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 107, 140, 214, 280, 428, 535, 749, 856, 1070, 1498, 2063, 2140, 2996, 3745, 4126, 4280, 5992, 7490, 8252, 10315, 14441, 14980, 16504, 20630, 28882, 29960, 41260, 57764, 72205, 82520, 115528, 144410, 220741, 288820, 441482, 577640, 882964, 1103705, 1545187, 1765928, 2207410, 3090374, 4414820, 6180748, 7725935, 8829640, 12361496, 15451870, 30903740, 61807480]

約数ペア:

[(1, 61807480), (2, 30903740), (4, 15451870), (5, 12361496), (7, 8829640), (8, 7725935), (10, 6180748), (14, 4414820), (20, 3090374), (28, 2207410), (35, 1765928), (40, 1545187), (56, 1103705), (70, 882964), (107, 577640), (140, 441482), (214, 288820), (280, 220741), (428, 144410), (535, 115528), (749, 82520), (856, 72205), (1070, 57764), (1498, 41260), (2063, 29960), (2140, 28882), (2996, 20630), (3745, 16504), (4126, 14980), (4280, 14441), (5992, 10315), (7490, 8252)]