31909080

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{37987}}^1$

素因数の和:38008

約数の個数: 64

約数和(自身を含む): 109405440

約数和(自身を除く): 77496360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 37987, 75974, 113961, 151948, 189935, 227922, 265909, 303896, 379870, 455844, 531818, 569805, 759740, 797727, 911688, 1063636, 1139610, 1329545, 1519480, 1595454, 2127272, 2279220, 2659090, 3190908, 3988635, 4558440, 5318180, 6381816, 7977270, 10636360, 15954540, 31909080]

約数ペア:

[(1, 31909080), (2, 15954540), (3, 10636360), (4, 7977270), (5, 6381816), (6, 5318180), (7, 4558440), (8, 3988635), (10, 3190908), (12, 2659090), (14, 2279220), (15, 2127272), (20, 1595454), (21, 1519480), (24, 1329545), (28, 1139610), (30, 1063636), (35, 911688), (40, 797727), (42, 759740), (56, 569805), (60, 531818), (70, 455844), (84, 379870), (105, 303896), (120, 265909), (140, 227922), (168, 189935), (210, 151948), (280, 113961), (420, 75974), (840, 37987)]