2218620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{359}}^1$

素因数の和:474

約数の個数: 48

約数和(自身を含む): 6289920

約数和(自身を除く): 4071300

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 103, 206, 309, 359, 412, 515, 618, 718, 1030, 1077, 1236, 1436, 1545, 1795, 2060, 2154, 3090, 3590, 4308, 5385, 6180, 7180, 10770, 21540, 36977, 73954, 110931, 147908, 184885, 221862, 369770, 443724, 554655, 739540, 1109310, 2218620]

約数ペア:

[(1, 2218620), (2, 1109310), (3, 739540), (4, 554655), (5, 443724), (6, 369770), (10, 221862), (12, 184885), (15, 147908), (20, 110931), (30, 73954), (60, 36977), (103, 21540), (206, 10770), (309, 7180), (359, 6180), (412, 5385), (515, 4308), (618, 3590), (718, 3090), (1030, 2154), (1077, 2060), (1236, 1795), (1436, 1545)]