664473840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^2\times {\mathrm{43}}^1\times {\mathrm{67}}^1$

素因数の和:188

約数の個数: 240

約数和(自身を含む): 2210465664

約数和(自身を除く): 1545991824

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 43, 48, 60, 62, 67, 80, 86, 93, 120, 124, 129, 134, 155, 172, 186, 201, 215, 240, 248, 258, 268, 310, 335, 344, 372, 402, 430, 465, 496, 516, 536, 620, 645, 670, 688, 744, 804, 860, 930, 961, 1005, 1032, 1072, 1240, 1290, 1333, 1340, 1488, 1608, 1720, 1860, 1922, 2010, 2064, 2077, 2480, 2580, 2666, 2680, 2881, 2883, 3216, 3440, 3720, 3844, 3999, 4020, 4154, 4805, 5160, 5332, 5360, 5762, 5766, 6231, 6665, 7440, 7688, 7998, 8040, 8308, 8643, 9610, 10320, 10385, 10664, 11524, 11532, 12462, 13330, 14405, 14415, 15376, 15996, 16080, 16616, 17286, 19220, 19995, 20770, 21328, 23048, 23064, 24924, 26660, 28810, 28830, 31155, 31992, 33232, 34572, 38440, 39990, 41323, 41540, 43215, 46096, 46128, 49848, 53320, 57620, 57660, 62310, 63984, 64387, 69144, 76880, 79980, 82646, 83080, 86430, 89311, 99696, 106640, 115240, 115320, 123969, 124620, 128774, 138288, 159960, 165292, 166160, 172860, 178622, 193161, 206615, 230480, 230640, 247938, 249240, 257548, 267933, 319920, 321935, 330584, 345720, 357244, 386322, 413230, 446555, 495876, 498480, 515096, 535866, 619845, 643870, 661168, 691440, 714488, 772644, 826460, 893110, 965805, 991752, 1030192, 1071732, 1239690, 1287740, 1339665, 1428976, 1545288, 1652920, 1786220, 1931610, 1983504, 2143464, 2479380, 2575480, 2679330, 2768641, 3090576, 3305840, 3572440, 3863220, 4286928, 4958760, 5150960, 5358660, 5537282, 7144880, 7726440, 8305923, 9917520, 10717320, 11074564, 13843205, 15452880, 16611846, 21434640, 22149128, 27686410, 33223692, 41529615, 44298256, 55372820, 66447384, 83059230, 110745640, 132894768, 166118460, 221491280, 332236920, 664473840]

約数ペア:

[(1, 664473840), (2, 332236920), (3, 221491280), (4, 166118460), (5, 132894768), (6, 110745640), (8, 83059230), (10, 66447384), (12, 55372820), (15, 44298256), (16, 41529615), (20, 33223692), (24, 27686410), (30, 22149128), (31, 21434640), (40, 16611846), (43, 15452880), (48, 13843205), (60, 11074564), (62, 10717320), (67, 9917520), (80, 8305923), (86, 7726440), (93, 7144880), (120, 5537282), (124, 5358660), (129, 5150960), (134, 4958760), (155, 4286928), (172, 3863220), (186, 3572440), (201, 3305840), (215, 3090576), (240, 2768641), (248, 2679330), (258, 2575480), (268, 2479380), (310, 2143464), (335, 1983504), (344, 1931610), (372, 1786220), (402, 1652920), (430, 1545288), (465, 1428976), (496, 1339665), (516, 1287740), (536, 1239690), (620, 1071732), (645, 1030192), (670, 991752), (688, 965805), (744, 893110), (804, 826460), (860, 772644), (930, 714488), (961, 691440), (1005, 661168), (1032, 643870), (1072, 619845), (1240, 535866), (1290, 515096), (1333, 498480), (1340, 495876), (1488, 446555), (1608, 413230), (1720, 386322), (1860, 357244), (1922, 345720), (2010, 330584), (2064, 321935), (2077, 319920), (2480, 267933), (2580, 257548), (2666, 249240), (2680, 247938), (2881, 230640), (2883, 230480), (3216, 206615), (3440, 193161), (3720, 178622), (3844, 172860), (3999, 166160), (4020, 165292), (4154, 159960), (4805, 138288), (5160, 128774), (5332, 124620), (5360, 123969), (5762, 115320), (5766, 115240), (6231, 106640), (6665, 99696), (7440, 89311), (7688, 86430), (7998, 83080), (8040, 82646), (8308, 79980), (8643, 76880), (9610, 69144), (10320, 64387), (10385, 63984), (10664, 62310), (11524, 57660), (11532, 57620), (12462, 53320), (13330, 49848), (14405, 46128), (14415, 46096), (15376, 43215), (15996, 41540), (16080, 41323), (16616, 39990), (17286, 38440), (19220, 34572), (19995, 33232), (20770, 31992), (21328, 31155), (23048, 28830), (23064, 28810), (24924, 26660)]