2180628

素因数分解:

$2^2\times 3^3\times {\mathrm{61}}^1\times {\mathrm{331}}^1$

素因数の和:405

約数の個数: 48

約数和(自身を含む): 5763520

約数和(自身を除く): 3582892

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 61, 108, 122, 183, 244, 331, 366, 549, 662, 732, 993, 1098, 1324, 1647, 1986, 2196, 2979, 3294, 3972, 5958, 6588, 8937, 11916, 17874, 20191, 35748, 40382, 60573, 80764, 121146, 181719, 242292, 363438, 545157, 726876, 1090314, 2180628]

約数ペア:

[(1, 2180628), (2, 1090314), (3, 726876), (4, 545157), (6, 363438), (9, 242292), (12, 181719), (18, 121146), (27, 80764), (36, 60573), (54, 40382), (61, 35748), (108, 20191), (122, 17874), (183, 11916), (244, 8937), (331, 6588), (366, 5958), (549, 3972), (662, 3294), (732, 2979), (993, 2196), (1098, 1986), (1324, 1647)]