2138820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{829}}^1$

素因数の和:884

約数の個数: 48

約数和(自身を含む): 6135360

約数和(自身を除く): 3996540

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 43, 60, 86, 129, 172, 215, 258, 430, 516, 645, 829, 860, 1290, 1658, 2487, 2580, 3316, 4145, 4974, 8290, 9948, 12435, 16580, 24870, 35647, 49740, 71294, 106941, 142588, 178235, 213882, 356470, 427764, 534705, 712940, 1069410, 2138820]

約数ペア:

[(1, 2138820), (2, 1069410), (3, 712940), (4, 534705), (5, 427764), (6, 356470), (10, 213882), (12, 178235), (15, 142588), (20, 106941), (30, 71294), (43, 49740), (60, 35647), (86, 24870), (129, 16580), (172, 12435), (215, 9948), (258, 8290), (430, 4974), (516, 4145), (645, 3316), (829, 2580), (860, 2487), (1290, 1658)]