18876720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{78653}}^1$

素因数の和:78669

約数の個数: 40

約数和(自身を含む): 58518576

約数和(自身を除く): 39641856

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 78653, 157306, 235959, 314612, 393265, 471918, 629224, 786530, 943836, 1179795, 1258448, 1573060, 1887672, 2359590, 3146120, 3775344, 4719180, 6292240, 9438360, 18876720]

約数ペア:

[(1, 18876720), (2, 9438360), (3, 6292240), (4, 4719180), (5, 3775344), (6, 3146120), (8, 2359590), (10, 1887672), (12, 1573060), (15, 1258448), (16, 1179795), (20, 943836), (24, 786530), (30, 629224), (40, 471918), (48, 393265), (60, 314612), (80, 235959), (120, 157306), (240, 78653)]