81127740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79537}}^1$

素因数の和:79566

約数の個数: 48

約数和(自身を含む): 240522912

約数和(自身を除く): 159395172

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, 79537, 159074, 238611, 318148, 397685, 477222, 795370, 954444, 1193055, 1352129, 1590740, 2386110, 2704258, 4056387, 4772220, 5408516, 6760645, 8112774, 13521290, 16225548, 20281935, 27042580, 40563870, 81127740]

約数ペア:

[(1, 81127740), (2, 40563870), (3, 27042580), (4, 20281935), (5, 16225548), (6, 13521290), (10, 8112774), (12, 6760645), (15, 5408516), (17, 4772220), (20, 4056387), (30, 2704258), (34, 2386110), (51, 1590740), (60, 1352129), (68, 1193055), (85, 954444), (102, 795370), (170, 477222), (204, 397685), (255, 318148), (340, 238611), (510, 159074), (1020, 79537)]