891240

素因数分解:

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

素因数の和:1082

約数の個数: 64

約数和(自身を含む): 3058560

約数和(自身を除く): 2167320

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, 1061, 2122, 3183, 4244, 5305, 6366, 7427, 8488, 10610, 12732, 14854, 15915, 21220, 22281, 25464, 29708, 31830, 37135, 42440, 44562, 59416, 63660, 74270, 89124, 111405, 127320, 148540, 178248, 222810, 297080, 445620, 891240]

約数ペア:

[(1, 891240), (2, 445620), (3, 297080), (4, 222810), (5, 178248), (6, 148540), (7, 127320), (8, 111405), (10, 89124), (12, 74270), (14, 63660), (15, 59416), (20, 44562), (21, 42440), (24, 37135), (28, 31830), (30, 29708), (35, 25464), (40, 22281), (42, 21220), (56, 15915), (60, 14854), (70, 12732), (84, 10610), (105, 8488), (120, 7427), (140, 6366), (168, 5305), (210, 4244), (280, 3183), (420, 2122), (840, 1061)]