81143340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1352389}}^1$

素因数の和:1352401

約数の個数: 24

約数和(自身を含む): 227201520

約数和(自身を除く): 146058180

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1352389, 2704778, 4057167, 5409556, 6761945, 8114334, 13523890, 16228668, 20285835, 27047780, 40571670, 81143340]

約数ペア:

[(1, 81143340), (2, 40571670), (3, 27047780), (4, 20285835), (5, 16228668), (6, 13523890), (10, 8114334), (12, 6761945), (15, 5409556), (20, 4057167), (30, 2704778), (60, 1352389)]