15954540

素因数分解:

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

素因数の和:38006

約数の個数: 48

約数和(自身を含む): 51055872

約数和(自身を除く): 35101332

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 37987, 75974, 113961, 151948, 189935, 227922, 265909, 379870, 455844, 531818, 569805, 759740, 797727, 1063636, 1139610, 1329545, 1595454, 2279220, 2659090, 3190908, 3988635, 5318180, 7977270, 15954540]

約数ペア:

[(1, 15954540), (2, 7977270), (3, 5318180), (4, 3988635), (5, 3190908), (6, 2659090), (7, 2279220), (10, 1595454), (12, 1329545), (14, 1139610), (15, 1063636), (20, 797727), (21, 759740), (28, 569805), (30, 531818), (35, 455844), (42, 379870), (60, 265909), (70, 227922), (84, 189935), (105, 151948), (140, 113961), (210, 75974), (420, 37987)]