2685690

素因数分解:

$2^1\times 3^3\times 5^1\times 7^3\times {\mathrm{29}}^1$

素因数の和:66

約数の個数: 128

約数和(自身を含む): 8640000

約数和(自身を除く): 5954310

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 29, 30, 35, 42, 45, 49, 54, 58, 63, 70, 87, 90, 98, 105, 126, 135, 145, 147, 174, 189, 203, 210, 245, 261, 270, 290, 294, 315, 343, 378, 406, 435, 441, 490, 522, 609, 630, 686, 735, 783, 870, 882, 945, 1015, 1029, 1218, 1305, 1323, 1421, 1470, 1566, 1715, 1827, 1890, 2030, 2058, 2205, 2610, 2646, 2842, 3045, 3087, 3430, 3654, 3915, 4263, 4410, 5145, 5481, 6090, 6174, 6615, 7105, 7830, 8526, 9135, 9261, 9947, 10290, 10962, 12789, 13230, 14210, 15435, 18270, 18522, 19894, 21315, 25578, 27405, 29841, 30870, 38367, 42630, 46305, 49735, 54810, 59682, 63945, 76734, 89523, 92610, 99470, 127890, 149205, 179046, 191835, 268569, 298410, 383670, 447615, 537138, 895230, 1342845, 2685690]

約数ペア:

[(1, 2685690), (2, 1342845), (3, 895230), (5, 537138), (6, 447615), (7, 383670), (9, 298410), (10, 268569), (14, 191835), (15, 179046), (18, 149205), (21, 127890), (27, 99470), (29, 92610), (30, 89523), (35, 76734), (42, 63945), (45, 59682), (49, 54810), (54, 49735), (58, 46305), (63, 42630), (70, 38367), (87, 30870), (90, 29841), (98, 27405), (105, 25578), (126, 21315), (135, 19894), (145, 18522), (147, 18270), (174, 15435), (189, 14210), (203, 13230), (210, 12789), (245, 10962), (261, 10290), (270, 9947), (290, 9261), (294, 9135), (315, 8526), (343, 7830), (378, 7105), (406, 6615), (435, 6174), (441, 6090), (490, 5481), (522, 5145), (609, 4410), (630, 4263), (686, 3915), (735, 3654), (783, 3430), (870, 3087), (882, 3045), (945, 2842), (1015, 2646), (1029, 2610), (1218, 2205), (1305, 2058), (1323, 2030), (1421, 1890), (1470, 1827), (1566, 1715)]