2003220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{359}}^1$

素因数の和:405

約数の個数: 72

約数和(自身を含む): 6289920

約数和(自身を除く): 4286700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 180, 186, 279, 310, 359, 372, 465, 558, 620, 718, 930, 1077, 1116, 1395, 1436, 1795, 1860, 2154, 2790, 3231, 3590, 4308, 5385, 5580, 6462, 7180, 10770, 11129, 12924, 16155, 21540, 22258, 32310, 33387, 44516, 55645, 64620, 66774, 100161, 111290, 133548, 166935, 200322, 222580, 333870, 400644, 500805, 667740, 1001610, 2003220]

約数ペア:

[(1, 2003220), (2, 1001610), (3, 667740), (4, 500805), (5, 400644), (6, 333870), (9, 222580), (10, 200322), (12, 166935), (15, 133548), (18, 111290), (20, 100161), (30, 66774), (31, 64620), (36, 55645), (45, 44516), (60, 33387), (62, 32310), (90, 22258), (93, 21540), (124, 16155), (155, 12924), (180, 11129), (186, 10770), (279, 7180), (310, 6462), (359, 5580), (372, 5385), (465, 4308), (558, 3590), (620, 3231), (718, 2790), (930, 2154), (1077, 1860), (1116, 1795), (1395, 1436)]