81457710

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{159721}}^1$

素因数の和:159748

約数の個数: 32

約数和(自身を含む): 206999712

約数和(自身を除く): 125542002

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 85, 102, 170, 255, 510, 159721, 319442, 479163, 798605, 958326, 1597210, 2395815, 2715257, 4791630, 5430514, 8145771, 13576285, 16291542, 27152570, 40728855, 81457710]

約数ペア:

[(1, 81457710), (2, 40728855), (3, 27152570), (5, 16291542), (6, 13576285), (10, 8145771), (15, 5430514), (17, 4791630), (30, 2715257), (34, 2395815), (51, 1597210), (85, 958326), (102, 798605), (170, 479163), (255, 319442), (510, 159721)]