81040020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79451}}^1$

素因数の和:79480

約数の個数: 48

約数和(自身を含む): 240262848

約数和(自身を除く): 159222828

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020, 79451, 158902, 238353, 317804, 397255, 476706, 794510, 953412, 1191765, 1350667, 1589020, 2383530, 2701334, 4052001, 4767060, 5402668, 6753335, 8104002, 13506670, 16208004, 20260005, 27013340, 40520010, 81040020]

約数ペア:

[(1, 81040020), (2, 40520010), (3, 27013340), (4, 20260005), (5, 16208004), (6, 13506670), (10, 8104002), (12, 6753335), (15, 5402668), (17, 4767060), (20, 4052001), (30, 2701334), (34, 2383530), (51, 1589020), (60, 1350667), (68, 1191765), (85, 953412), (102, 794510), (170, 476706), (204, 397255), (255, 317804), (340, 238353), (510, 158902), (1020, 79451)]