2560770

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{769}}^1$

素因数の和:819

約数の個数: 48

約数和(自身を含む): 6846840

約数和(自身を除く): 4286070

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 37, 45, 74, 90, 111, 185, 222, 333, 370, 555, 666, 769, 1110, 1538, 1665, 2307, 3330, 3845, 4614, 6921, 7690, 11535, 13842, 23070, 28453, 34605, 56906, 69210, 85359, 142265, 170718, 256077, 284530, 426795, 512154, 853590, 1280385, 2560770]

約数ペア:

[(1, 2560770), (2, 1280385), (3, 853590), (5, 512154), (6, 426795), (9, 284530), (10, 256077), (15, 170718), (18, 142265), (30, 85359), (37, 69210), (45, 56906), (74, 34605), (90, 28453), (111, 23070), (185, 13842), (222, 11535), (333, 7690), (370, 6921), (555, 4614), (666, 3845), (769, 3330), (1110, 2307), (1538, 1665)]