131320980

素因数分解:

$2^2\times 3^3\times 5^1\times 7^3\times {\mathrm{709}}^1$

素因数の和:748

約数の個数: 192

約数和(自身を含む): 477120000

約数和(自身を除く): 345799020

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, 84, 90, 98, 105, 108, 126, 135, 140, 147, 180, 189, 196, 210, 245, 252, 270, 294, 315, 343, 378, 420, 441, 490, 540, 588, 630, 686, 709, 735, 756, 882, 945, 980, 1029, 1260, 1323, 1372, 1418, 1470, 1715, 1764, 1890, 2058, 2127, 2205, 2646, 2836, 2940, 3087, 3430, 3545, 3780, 4116, 4254, 4410, 4963, 5145, 5292, 6174, 6381, 6615, 6860, 7090, 8508, 8820, 9261, 9926, 10290, 10635, 12348, 12762, 13230, 14180, 14889, 15435, 18522, 19143, 19852, 20580, 21270, 24815, 25524, 26460, 29778, 30870, 31905, 34741, 37044, 38286, 42540, 44667, 46305, 49630, 59556, 61740, 63810, 69482, 74445, 76572, 89334, 92610, 95715, 99260, 104223, 127620, 134001, 138964, 148890, 173705, 178668, 185220, 191430, 208446, 223335, 243187, 268002, 297780, 312669, 347410, 382860, 416892, 446670, 486374, 521115, 536004, 625338, 670005, 694820, 729561, 893340, 938007, 972748, 1042230, 1215935, 1250676, 1340010, 1459122, 1563345, 1876014, 2084460, 2188683, 2431870, 2680020, 2918244, 3126690, 3647805, 3752028, 4377366, 4690035, 4863740, 6253380, 6566049, 7295610, 8754732, 9380070, 10943415, 13132098, 14591220, 18760140, 21886830, 26264196, 32830245, 43773660, 65660490, 131320980]

約数ペア:

[(1, 131320980), (2, 65660490), (3, 43773660), (4, 32830245), (5, 26264196), (6, 21886830), (7, 18760140), (9, 14591220), (10, 13132098), (12, 10943415), (14, 9380070), (15, 8754732), (18, 7295610), (20, 6566049), (21, 6253380), (27, 4863740), (28, 4690035), (30, 4377366), (35, 3752028), (36, 3647805), (42, 3126690), (45, 2918244), (49, 2680020), (54, 2431870), (60, 2188683), (63, 2084460), (70, 1876014), (84, 1563345), (90, 1459122), (98, 1340010), (105, 1250676), (108, 1215935), (126, 1042230), (135, 972748), (140, 938007), (147, 893340), (180, 729561), (189, 694820), (196, 670005), (210, 625338), (245, 536004), (252, 521115), (270, 486374), (294, 446670), (315, 416892), (343, 382860), (378, 347410), (420, 312669), (441, 297780), (490, 268002), (540, 243187), (588, 223335), (630, 208446), (686, 191430), (709, 185220), (735, 178668), (756, 173705), (882, 148890), (945, 138964), (980, 134001), (1029, 127620), (1260, 104223), (1323, 99260), (1372, 95715), (1418, 92610), (1470, 89334), (1715, 76572), (1764, 74445), (1890, 69482), (2058, 63810), (2127, 61740), (2205, 59556), (2646, 49630), (2836, 46305), (2940, 44667), (3087, 42540), (3430, 38286), (3545, 37044), (3780, 34741), (4116, 31905), (4254, 30870), (4410, 29778), (4963, 26460), (5145, 25524), (5292, 24815), (6174, 21270), (6381, 20580), (6615, 19852), (6860, 19143), (7090, 18522), (8508, 15435), (8820, 14889), (9261, 14180), (9926, 13230), (10290, 12762), (10635, 12348)]