68771920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{227}}^1\times {\mathrm{541}}^1$

素因数の和:788

約数の個数: 80

約数和(自身を含む): 183881088

約数和(自身を除く): 115109168

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 227, 280, 454, 541, 560, 908, 1082, 1135, 1589, 1816, 2164, 2270, 2705, 3178, 3632, 3787, 4328, 4540, 5410, 6356, 7574, 7945, 8656, 9080, 10820, 12712, 15148, 15890, 18160, 18935, 21640, 25424, 30296, 31780, 37870, 43280, 60592, 63560, 75740, 122807, 127120, 151480, 245614, 302960, 491228, 614035, 859649, 982456, 1228070, 1719298, 1964912, 2456140, 3438596, 4298245, 4912280, 6877192, 8596490, 9824560, 13754384, 17192980, 34385960, 68771920]

約数ペア:

[(1, 68771920), (2, 34385960), (4, 17192980), (5, 13754384), (7, 9824560), (8, 8596490), (10, 6877192), (14, 4912280), (16, 4298245), (20, 3438596), (28, 2456140), (35, 1964912), (40, 1719298), (56, 1228070), (70, 982456), (80, 859649), (112, 614035), (140, 491228), (227, 302960), (280, 245614), (454, 151480), (541, 127120), (560, 122807), (908, 75740), (1082, 63560), (1135, 60592), (1589, 43280), (1816, 37870), (2164, 31780), (2270, 30296), (2705, 25424), (3178, 21640), (3632, 18935), (3787, 18160), (4328, 15890), (4540, 15148), (5410, 12712), (6356, 10820), (7574, 9080), (7945, 8656)]