15565620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{37061}}^1$

素因数の和:37080

約数の個数: 48

約数和(自身を含む): 49811328

約数和(自身を除く): 34245708

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, 37061, 74122, 111183, 148244, 185305, 222366, 259427, 370610, 444732, 518854, 555915, 741220, 778281, 1037708, 1111830, 1297135, 1556562, 2223660, 2594270, 3113124, 3891405, 5188540, 7782810, 15565620]

約数ペア:

[(1, 15565620), (2, 7782810), (3, 5188540), (4, 3891405), (5, 3113124), (6, 2594270), (7, 2223660), (10, 1556562), (12, 1297135), (14, 1111830), (15, 1037708), (20, 778281), (21, 741220), (28, 555915), (30, 518854), (35, 444732), (42, 370610), (60, 259427), (70, 222366), (84, 185305), (105, 148244), (140, 111183), (210, 74122), (420, 37061)]