2787690

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{2161}}^1$

素因数の和:2214

約数の個数: 32

約数和(自身を含む): 6849216

約数和(自身を除く): 4061526

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 43, 86, 129, 215, 258, 430, 645, 1290, 2161, 4322, 6483, 10805, 12966, 21610, 32415, 64830, 92923, 185846, 278769, 464615, 557538, 929230, 1393845, 2787690]

約数ペア:

[(1, 2787690), (2, 1393845), (3, 929230), (5, 557538), (6, 464615), (10, 278769), (15, 185846), (30, 92923), (43, 64830), (86, 32415), (129, 21610), (215, 12966), (258, 10805), (430, 6483), (645, 4322), (1290, 2161)]