18258660

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{337}}^1$

素因数の和:402

約数の個数: 144

約数和(自身を含む): 64960896

約数和(自身を除く): 46702236

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 43, 45, 60, 63, 70, 84, 86, 90, 105, 126, 129, 140, 172, 180, 210, 215, 252, 258, 301, 315, 337, 387, 420, 430, 516, 602, 630, 645, 674, 774, 860, 903, 1011, 1204, 1260, 1290, 1348, 1505, 1548, 1685, 1806, 1935, 2022, 2359, 2580, 2709, 3010, 3033, 3370, 3612, 3870, 4044, 4515, 4718, 5055, 5418, 6020, 6066, 6740, 7077, 7740, 9030, 9436, 10110, 10836, 11795, 12132, 13545, 14154, 14491, 15165, 18060, 20220, 21231, 23590, 27090, 28308, 28982, 30330, 35385, 42462, 43473, 47180, 54180, 57964, 60660, 70770, 72455, 84924, 86946, 101437, 106155, 130419, 141540, 144910, 173892, 202874, 212310, 217365, 260838, 289820, 304311, 405748, 424620, 434730, 507185, 521676, 608622, 652095, 869460, 912933, 1014370, 1217244, 1304190, 1521555, 1825866, 2028740, 2608380, 3043110, 3651732, 4564665, 6086220, 9129330, 18258660]

約数ペア:

[(1, 18258660), (2, 9129330), (3, 6086220), (4, 4564665), (5, 3651732), (6, 3043110), (7, 2608380), (9, 2028740), (10, 1825866), (12, 1521555), (14, 1304190), (15, 1217244), (18, 1014370), (20, 912933), (21, 869460), (28, 652095), (30, 608622), (35, 521676), (36, 507185), (42, 434730), (43, 424620), (45, 405748), (60, 304311), (63, 289820), (70, 260838), (84, 217365), (86, 212310), (90, 202874), (105, 173892), (126, 144910), (129, 141540), (140, 130419), (172, 106155), (180, 101437), (210, 86946), (215, 84924), (252, 72455), (258, 70770), (301, 60660), (315, 57964), (337, 54180), (387, 47180), (420, 43473), (430, 42462), (516, 35385), (602, 30330), (630, 28982), (645, 28308), (674, 27090), (774, 23590), (860, 21231), (903, 20220), (1011, 18060), (1204, 15165), (1260, 14491), (1290, 14154), (1348, 13545), (1505, 12132), (1548, 11795), (1685, 10836), (1806, 10110), (1935, 9436), (2022, 9030), (2359, 7740), (2580, 7077), (2709, 6740), (3010, 6066), (3033, 6020), (3370, 5418), (3612, 5055), (3870, 4718), (4044, 4515)]