80215290

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{28751}}^1$

素因数の和:28795

約数の個数: 48

約数和(自身を含む): 215294976

約数和(自身を除く): 135079686

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 31, 45, 62, 90, 93, 155, 186, 279, 310, 465, 558, 930, 1395, 2790, 28751, 57502, 86253, 143755, 172506, 258759, 287510, 431265, 517518, 862530, 891281, 1293795, 1782562, 2587590, 2673843, 4456405, 5347686, 8021529, 8912810, 13369215, 16043058, 26738430, 40107645, 80215290]

約数ペア:

[(1, 80215290), (2, 40107645), (3, 26738430), (5, 16043058), (6, 13369215), (9, 8912810), (10, 8021529), (15, 5347686), (18, 4456405), (30, 2673843), (31, 2587590), (45, 1782562), (62, 1293795), (90, 891281), (93, 862530), (155, 517518), (186, 431265), (279, 287510), (310, 258759), (465, 172506), (558, 143755), (930, 86253), (1395, 57502), (2790, 28751)]