78667740

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{145681}}^1$

素因数の和:145699

約数の個数: 48

約数和(自身を含む): 244745760

約数和(自身を除く): 166078020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 145681, 291362, 437043, 582724, 728405, 874086, 1311129, 1456810, 1748172, 2185215, 2622258, 2913620, 3933387, 4370430, 5244516, 6555645, 7866774, 8740860, 13111290, 15733548, 19666935, 26222580, 39333870, 78667740]

約数ペア:

[(1, 78667740), (2, 39333870), (3, 26222580), (4, 19666935), (5, 15733548), (6, 13111290), (9, 8740860), (10, 7866774), (12, 6555645), (15, 5244516), (18, 4370430), (20, 3933387), (27, 2913620), (30, 2622258), (36, 2185215), (45, 1748172), (54, 1456810), (60, 1311129), (90, 874086), (108, 728405), (135, 582724), (180, 437043), (270, 291362), (540, 145681)]