178470

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{661}}^1$

素因数の和:677

約数の個数: 32

約数和(自身を含む): 476640

約数和(自身を除く): 298170

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270, 661, 1322, 1983, 3305, 3966, 5949, 6610, 9915, 11898, 17847, 19830, 29745, 35694, 59490, 89235, 178470]

約数ペア:

[(1, 178470), (2, 89235), (3, 59490), (5, 35694), (6, 29745), (9, 19830), (10, 17847), (15, 11898), (18, 9915), (27, 6610), (30, 5949), (45, 3966), (54, 3305), (90, 1983), (135, 1322), (270, 661)]