2647890

素因数分解:

$2^1\times 3^4\times 5^1\times 7^1\times {\mathrm{467}}^1$

素因数の和:493

約数の個数: 80

約数和(自身を含む): 8154432

約数和(自身を除く): 5506542

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 81, 90, 105, 126, 135, 162, 189, 210, 270, 315, 378, 405, 467, 567, 630, 810, 934, 945, 1134, 1401, 1890, 2335, 2802, 2835, 3269, 4203, 4670, 5670, 6538, 7005, 8406, 9807, 12609, 14010, 16345, 19614, 21015, 25218, 29421, 32690, 37827, 42030, 49035, 58842, 63045, 75654, 88263, 98070, 126090, 147105, 176526, 189135, 264789, 294210, 378270, 441315, 529578, 882630, 1323945, 2647890]

約数ペア:

[(1, 2647890), (2, 1323945), (3, 882630), (5, 529578), (6, 441315), (7, 378270), (9, 294210), (10, 264789), (14, 189135), (15, 176526), (18, 147105), (21, 126090), (27, 98070), (30, 88263), (35, 75654), (42, 63045), (45, 58842), (54, 49035), (63, 42030), (70, 37827), (81, 32690), (90, 29421), (105, 25218), (126, 21015), (135, 19614), (162, 16345), (189, 14010), (210, 12609), (270, 9807), (315, 8406), (378, 7005), (405, 6538), (467, 5670), (567, 4670), (630, 4203), (810, 3269), (934, 2835), (945, 2802), (1134, 2335), (1401, 1890)]