445620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{1061}}^1$

素因数の和:1080

約数の個数: 48

約数和(自身を含む): 1427328

約数和(自身を除く): 981708

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, 1061, 2122, 3183, 4244, 5305, 6366, 7427, 10610, 12732, 14854, 15915, 21220, 22281, 29708, 31830, 37135, 44562, 63660, 74270, 89124, 111405, 148540, 222810, 445620]

約数ペア:

[(1, 445620), (2, 222810), (3, 148540), (4, 111405), (5, 89124), (6, 74270), (7, 63660), (10, 44562), (12, 37135), (14, 31830), (15, 29708), (20, 22281), (21, 21220), (28, 15915), (30, 14854), (35, 12732), (42, 10610), (60, 7427), (70, 6366), (84, 5305), (105, 4244), (140, 3183), (210, 2122), (420, 1061)]