69865180

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{6481}}^1$

素因数の和:6515

約数の個数: 72

約数和(自身を含む): 186214896

約数和(自身を除く): 116349716

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 77, 98, 110, 140, 154, 196, 220, 245, 308, 385, 490, 539, 770, 980, 1078, 1540, 2156, 2695, 5390, 6481, 10780, 12962, 25924, 32405, 45367, 64810, 71291, 90734, 129620, 142582, 181468, 226835, 285164, 317569, 356455, 453670, 499037, 635138, 712910, 907340, 998074, 1270276, 1425820, 1587845, 1996148, 2495185, 3175690, 3493259, 4990370, 6351380, 6986518, 9980740, 13973036, 17466295, 34932590, 69865180]

約数ペア:

[(1, 69865180), (2, 34932590), (4, 17466295), (5, 13973036), (7, 9980740), (10, 6986518), (11, 6351380), (14, 4990370), (20, 3493259), (22, 3175690), (28, 2495185), (35, 1996148), (44, 1587845), (49, 1425820), (55, 1270276), (70, 998074), (77, 907340), (98, 712910), (110, 635138), (140, 499037), (154, 453670), (196, 356455), (220, 317569), (245, 285164), (308, 226835), (385, 181468), (490, 142582), (539, 129620), (770, 90734), (980, 71291), (1078, 64810), (1540, 45367), (2156, 32405), (2695, 25924), (5390, 12962), (6481, 10780)]