31131240

素因数分解:

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

素因数の和:37082

約数の個数: 64

約数和(自身を含む): 106738560

約数和(自身を除く): 75607320

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, 37061, 74122, 111183, 148244, 185305, 222366, 259427, 296488, 370610, 444732, 518854, 555915, 741220, 778281, 889464, 1037708, 1111830, 1297135, 1482440, 1556562, 2075416, 2223660, 2594270, 3113124, 3891405, 4447320, 5188540, 6226248, 7782810, 10377080, 15565620, 31131240]

約数ペア:

[(1, 31131240), (2, 15565620), (3, 10377080), (4, 7782810), (5, 6226248), (6, 5188540), (7, 4447320), (8, 3891405), (10, 3113124), (12, 2594270), (14, 2223660), (15, 2075416), (20, 1556562), (21, 1482440), (24, 1297135), (28, 1111830), (30, 1037708), (35, 889464), (40, 778281), (42, 741220), (56, 555915), (60, 518854), (70, 444732), (84, 370610), (105, 296488), (120, 259427), (140, 222366), (168, 185305), (210, 148244), (280, 111183), (420, 74122), (840, 37061)]