1328155640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{115693}}^1$

素因数の和:115752

約数の個数: 64

約数和(自身を含む): 3498586560

約数和(自身を除く): 2170430920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 41, 56, 70, 82, 140, 164, 205, 280, 287, 328, 410, 574, 820, 1148, 1435, 1640, 2296, 2870, 5740, 11480, 115693, 231386, 462772, 578465, 809851, 925544, 1156930, 1619702, 2313860, 3239404, 4049255, 4627720, 4743413, 6478808, 8098510, 9486826, 16197020, 18973652, 23717065, 32394040, 33203891, 37947304, 47434130, 66407782, 94868260, 132815564, 166019455, 189736520, 265631128, 332038910, 664077820, 1328155640]

約数ペア:

[(1, 1328155640), (2, 664077820), (4, 332038910), (5, 265631128), (7, 189736520), (8, 166019455), (10, 132815564), (14, 94868260), (20, 66407782), (28, 47434130), (35, 37947304), (40, 33203891), (41, 32394040), (56, 23717065), (70, 18973652), (82, 16197020), (140, 9486826), (164, 8098510), (205, 6478808), (280, 4743413), (287, 4627720), (328, 4049255), (410, 3239404), (574, 2313860), (820, 1619702), (1148, 1156930), (1435, 925544), (1640, 809851), (2296, 578465), (2870, 462772), (5740, 231386), (11480, 115693)]