1290060

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{2389}}^1$

素因数の和:2407

約数の個数: 48

約数和(自身を含む): 4015200

約数和(自身を除く): 2725140

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 2389, 4778, 7167, 9556, 11945, 14334, 21501, 23890, 28668, 35835, 43002, 47780, 64503, 71670, 86004, 107505, 129006, 143340, 215010, 258012, 322515, 430020, 645030, 1290060]

約数ペア:

[(1, 1290060), (2, 645030), (3, 430020), (4, 322515), (5, 258012), (6, 215010), (9, 143340), (10, 129006), (12, 107505), (15, 86004), (18, 71670), (20, 64503), (27, 47780), (30, 43002), (36, 35835), (45, 28668), (54, 23890), (60, 21501), (90, 14334), (108, 11945), (135, 9556), (180, 7167), (270, 4778), (540, 2389)]