15979740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{38047}}^1$

素因数の和:38066

約数の個数: 48

約数和(自身を含む): 51136512

約数和(自身を除く): 35156772

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, 38047, 76094, 114141, 152188, 190235, 228282, 266329, 380470, 456564, 532658, 570705, 760940, 798987, 1065316, 1141410, 1331645, 1597974, 2282820, 2663290, 3195948, 3994935, 5326580, 7989870, 15979740]

約数ペア:

[(1, 15979740), (2, 7989870), (3, 5326580), (4, 3994935), (5, 3195948), (6, 2663290), (7, 2282820), (10, 1597974), (12, 1331645), (14, 1141410), (15, 1065316), (20, 798987), (21, 760940), (28, 570705), (30, 532658), (35, 456564), (42, 380470), (60, 266329), (70, 228282), (84, 190235), (105, 152188), (140, 114141), (210, 76094), (420, 38047)]