2143260

素因数分解:

$2^2\times 3^7\times 5^1\times 7^2$

素因数の和:44

約数の個数: 144

約数和(自身を含む): 7852320

約数和(自身を除く): 5709060

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, 49, 54, 60, 63, 70, 81, 84, 90, 98, 105, 108, 126, 135, 140, 147, 162, 180, 189, 196, 210, 243, 245, 252, 270, 294, 315, 324, 378, 405, 420, 441, 486, 490, 540, 567, 588, 630, 729, 735, 756, 810, 882, 945, 972, 980, 1134, 1215, 1260, 1323, 1458, 1470, 1620, 1701, 1764, 1890, 2187, 2205, 2268, 2430, 2646, 2835, 2916, 2940, 3402, 3645, 3780, 3969, 4374, 4410, 4860, 5103, 5292, 5670, 6615, 6804, 7290, 7938, 8505, 8748, 8820, 10206, 10935, 11340, 11907, 13230, 14580, 15309, 15876, 17010, 19845, 20412, 21870, 23814, 25515, 26460, 30618, 34020, 35721, 39690, 43740, 47628, 51030, 59535, 61236, 71442, 76545, 79380, 102060, 107163, 119070, 142884, 153090, 178605, 214326, 238140, 306180, 357210, 428652, 535815, 714420, 1071630, 2143260]

約数ペア:

[(1, 2143260), (2, 1071630), (3, 714420), (4, 535815), (5, 428652), (6, 357210), (7, 306180), (9, 238140), (10, 214326), (12, 178605), (14, 153090), (15, 142884), (18, 119070), (20, 107163), (21, 102060), (27, 79380), (28, 76545), (30, 71442), (35, 61236), (36, 59535), (42, 51030), (45, 47628), (49, 43740), (54, 39690), (60, 35721), (63, 34020), (70, 30618), (81, 26460), (84, 25515), (90, 23814), (98, 21870), (105, 20412), (108, 19845), (126, 17010), (135, 15876), (140, 15309), (147, 14580), (162, 13230), (180, 11907), (189, 11340), (196, 10935), (210, 10206), (243, 8820), (245, 8748), (252, 8505), (270, 7938), (294, 7290), (315, 6804), (324, 6615), (378, 5670), (405, 5292), (420, 5103), (441, 4860), (486, 4410), (490, 4374), (540, 3969), (567, 3780), (588, 3645), (630, 3402), (729, 2940), (735, 2916), (756, 2835), (810, 2646), (882, 2430), (945, 2268), (972, 2205), (980, 2187), (1134, 1890), (1215, 1764), (1260, 1701), (1323, 1620), (1458, 1470)]