2020860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{109}}^1$

素因数の和:227

約数の個数: 72

約数和(自身を含む): 6246240

約数和(自身を除く): 4225380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 103, 109, 180, 206, 218, 309, 327, 412, 436, 515, 545, 618, 654, 927, 981, 1030, 1090, 1236, 1308, 1545, 1635, 1854, 1962, 2060, 2180, 3090, 3270, 3708, 3924, 4635, 4905, 6180, 6540, 9270, 9810, 11227, 18540, 19620, 22454, 33681, 44908, 56135, 67362, 101043, 112270, 134724, 168405, 202086, 224540, 336810, 404172, 505215, 673620, 1010430, 2020860]

約数ペア:

[(1, 2020860), (2, 1010430), (3, 673620), (4, 505215), (5, 404172), (6, 336810), (9, 224540), (10, 202086), (12, 168405), (15, 134724), (18, 112270), (20, 101043), (30, 67362), (36, 56135), (45, 44908), (60, 33681), (90, 22454), (103, 19620), (109, 18540), (180, 11227), (206, 9810), (218, 9270), (309, 6540), (327, 6180), (412, 4905), (436, 4635), (515, 3924), (545, 3708), (618, 3270), (654, 3090), (927, 2180), (981, 2060), (1030, 1962), (1090, 1854), (1236, 1635), (1308, 1545)]