81652020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{80051}}^1$

素因数の和:80080

約数の個数: 48

約数和(自身を含む): 242077248

約数和(自身を除く): 160425228

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, 80051, 160102, 240153, 320204, 400255, 480306, 800510, 960612, 1200765, 1360867, 1601020, 2401530, 2721734, 4082601, 4803060, 5443468, 6804335, 8165202, 13608670, 16330404, 20413005, 27217340, 40826010, 81652020]

約数ペア:

[(1, 81652020), (2, 40826010), (3, 27217340), (4, 20413005), (5, 16330404), (6, 13608670), (10, 8165202), (12, 6804335), (15, 5443468), (17, 4803060), (20, 4082601), (30, 2721734), (34, 2401530), (51, 1601020), (60, 1360867), (68, 1200765), (85, 960612), (102, 800510), (170, 480306), (204, 400255), (255, 320204), (340, 240153), (510, 160102), (1020, 80051)]