2188620

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{193}}^1$

素因数の和:221

約数の個数: 120

約数和(自身を含む): 7887264

約数和(自身を除く): 5698644

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 81, 84, 90, 105, 108, 126, 135, 140, 162, 180, 189, 193, 210, 252, 270, 315, 324, 378, 386, 405, 420, 540, 567, 579, 630, 756, 772, 810, 945, 965, 1134, 1158, 1260, 1351, 1620, 1737, 1890, 1930, 2268, 2316, 2702, 2835, 2895, 3474, 3780, 3860, 4053, 5211, 5404, 5670, 5790, 6755, 6948, 8106, 8685, 10422, 11340, 11580, 12159, 13510, 15633, 16212, 17370, 20265, 20844, 24318, 26055, 27020, 31266, 34740, 36477, 40530, 48636, 52110, 60795, 62532, 72954, 78165, 81060, 104220, 109431, 121590, 145908, 156330, 182385, 218862, 243180, 312660, 364770, 437724, 547155, 729540, 1094310, 2188620]

約数ペア:

[(1, 2188620), (2, 1094310), (3, 729540), (4, 547155), (5, 437724), (6, 364770), (7, 312660), (9, 243180), (10, 218862), (12, 182385), (14, 156330), (15, 145908), (18, 121590), (20, 109431), (21, 104220), (27, 81060), (28, 78165), (30, 72954), (35, 62532), (36, 60795), (42, 52110), (45, 48636), (54, 40530), (60, 36477), (63, 34740), (70, 31266), (81, 27020), (84, 26055), (90, 24318), (105, 20844), (108, 20265), (126, 17370), (135, 16212), (140, 15633), (162, 13510), (180, 12159), (189, 11580), (193, 11340), (210, 10422), (252, 8685), (270, 8106), (315, 6948), (324, 6755), (378, 5790), (386, 5670), (405, 5404), (420, 5211), (540, 4053), (567, 3860), (579, 3780), (630, 3474), (756, 2895), (772, 2835), (810, 2702), (945, 2316), (965, 2268), (1134, 1930), (1158, 1890), (1260, 1737), (1351, 1620)]