15263480

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^2\times {\mathrm{227}}^1$

素因数の和:320

約数の個数: 48

約数和(自身を含む): 35355960

約数和(自身を除く): 20092480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 227, 328, 410, 454, 820, 908, 1135, 1640, 1681, 1816, 2270, 3362, 4540, 6724, 8405, 9080, 9307, 13448, 16810, 18614, 33620, 37228, 46535, 67240, 74456, 93070, 186140, 372280, 381587, 763174, 1526348, 1907935, 3052696, 3815870, 7631740, 15263480]

約数ペア:

[(1, 15263480), (2, 7631740), (4, 3815870), (5, 3052696), (8, 1907935), (10, 1526348), (20, 763174), (40, 381587), (41, 372280), (82, 186140), (164, 93070), (205, 74456), (227, 67240), (328, 46535), (410, 37228), (454, 33620), (820, 18614), (908, 16810), (1135, 13448), (1640, 9307), (1681, 9080), (1816, 8405), (2270, 6724), (3362, 4540)]