2011111980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1081243}}^1$

素因数の和:1081286

約数の個数: 48

約数和(自身を含む): 5812767744

約数和(自身を除く): 3801655764

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 93, 124, 155, 186, 310, 372, 465, 620, 930, 1860, 1081243, 2162486, 3243729, 4324972, 5406215, 6487458, 10812430, 12974916, 16218645, 21624860, 32437290, 33518533, 64874580, 67037066, 100555599, 134074132, 167592665, 201111198, 335185330, 402222396, 502777995, 670370660, 1005555990, 2011111980]

約数ペア:

[(1, 2011111980), (2, 1005555990), (3, 670370660), (4, 502777995), (5, 402222396), (6, 335185330), (10, 201111198), (12, 167592665), (15, 134074132), (20, 100555599), (30, 67037066), (31, 64874580), (60, 33518533), (62, 32437290), (93, 21624860), (124, 16218645), (155, 12974916), (186, 10812430), (310, 6487458), (372, 5406215), (465, 4324972), (620, 3243729), (930, 2162486), (1860, 1081243)]