1620756

素因数分解:

$2^2\times 3^3\times {\mathrm{43}}^1\times {\mathrm{349}}^1$

素因数の和:405

約数の個数: 48

約数和(自身を含む): 4312000

約数和(自身を除く): 2691244

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 43, 54, 86, 108, 129, 172, 258, 349, 387, 516, 698, 774, 1047, 1161, 1396, 1548, 2094, 2322, 3141, 4188, 4644, 6282, 9423, 12564, 15007, 18846, 30014, 37692, 45021, 60028, 90042, 135063, 180084, 270126, 405189, 540252, 810378, 1620756]

約数ペア:

[(1, 1620756), (2, 810378), (3, 540252), (4, 405189), (6, 270126), (9, 180084), (12, 135063), (18, 90042), (27, 60028), (36, 45021), (43, 37692), (54, 30014), (86, 18846), (108, 15007), (129, 12564), (172, 9423), (258, 6282), (349, 4644), (387, 4188), (516, 3141), (698, 2322), (774, 2094), (1047, 1548), (1161, 1396)]