72976680

素因数分解:

$2^3\times 3^3\times 5^1\times 7^3\times {\mathrm{197}}^1$

素因数の和:238

約数の個数: 256

約数和(自身を含む): 285120000

約数和(自身を除く): 212143320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 49, 54, 56, 60, 63, 70, 72, 84, 90, 98, 105, 108, 120, 126, 135, 140, 147, 168, 180, 189, 196, 197, 210, 216, 245, 252, 270, 280, 294, 315, 343, 360, 378, 392, 394, 420, 441, 490, 504, 540, 588, 591, 630, 686, 735, 756, 788, 840, 882, 945, 980, 985, 1029, 1080, 1176, 1182, 1260, 1323, 1372, 1379, 1470, 1512, 1576, 1715, 1764, 1773, 1890, 1960, 1970, 2058, 2205, 2364, 2520, 2646, 2744, 2758, 2940, 2955, 3087, 3430, 3528, 3546, 3780, 3940, 4116, 4137, 4410, 4728, 5145, 5292, 5319, 5516, 5880, 5910, 6174, 6615, 6860, 6895, 7092, 7560, 7880, 8232, 8274, 8820, 8865, 9261, 9653, 10290, 10584, 10638, 11032, 11820, 12348, 12411, 13230, 13720, 13790, 14184, 15435, 16548, 17640, 17730, 18522, 19306, 20580, 20685, 21276, 23640, 24696, 24822, 26460, 26595, 27580, 28959, 30870, 33096, 35460, 37044, 37233, 38612, 41160, 41370, 42552, 46305, 48265, 49644, 52920, 53190, 55160, 57918, 61740, 62055, 67571, 70920, 74088, 74466, 77224, 82740, 86877, 92610, 96530, 99288, 106380, 115836, 123480, 124110, 135142, 144795, 148932, 165480, 173754, 185220, 186165, 193060, 202713, 212760, 231672, 248220, 260631, 270284, 289590, 297864, 337855, 347508, 370440, 372330, 386120, 405426, 434385, 496440, 521262, 540568, 579180, 608139, 675710, 695016, 744660, 810852, 868770, 1013565, 1042524, 1158360, 1216278, 1303155, 1351420, 1489320, 1621704, 1737540, 1824417, 2027130, 2085048, 2432556, 2606310, 2702840, 3040695, 3475080, 3648834, 4054260, 4865112, 5212620, 6081390, 7297668, 8108520, 9122085, 10425240, 12162780, 14595336, 18244170, 24325560, 36488340, 72976680]

約数ペア:

[(1, 72976680), (2, 36488340), (3, 24325560), (4, 18244170), (5, 14595336), (6, 12162780), (7, 10425240), (8, 9122085), (9, 8108520), (10, 7297668), (12, 6081390), (14, 5212620), (15, 4865112), (18, 4054260), (20, 3648834), (21, 3475080), (24, 3040695), (27, 2702840), (28, 2606310), (30, 2432556), (35, 2085048), (36, 2027130), (40, 1824417), (42, 1737540), (45, 1621704), (49, 1489320), (54, 1351420), (56, 1303155), (60, 1216278), (63, 1158360), (70, 1042524), (72, 1013565), (84, 868770), (90, 810852), (98, 744660), (105, 695016), (108, 675710), (120, 608139), (126, 579180), (135, 540568), (140, 521262), (147, 496440), (168, 434385), (180, 405426), (189, 386120), (196, 372330), (197, 370440), (210, 347508), (216, 337855), (245, 297864), (252, 289590), (270, 270284), (280, 260631), (294, 248220), (315, 231672), (343, 212760), (360, 202713), (378, 193060), (392, 186165), (394, 185220), (420, 173754), (441, 165480), (490, 148932), (504, 144795), (540, 135142), (588, 124110), (591, 123480), (630, 115836), (686, 106380), (735, 99288), (756, 96530), (788, 92610), (840, 86877), (882, 82740), (945, 77224), (980, 74466), (985, 74088), (1029, 70920), (1080, 67571), (1176, 62055), (1182, 61740), (1260, 57918), (1323, 55160), (1372, 53190), (1379, 52920), (1470, 49644), (1512, 48265), (1576, 46305), (1715, 42552), (1764, 41370), (1773, 41160), (1890, 38612), (1960, 37233), (1970, 37044), (2058, 35460), (2205, 33096), (2364, 30870), (2520, 28959), (2646, 27580), (2744, 26595), (2758, 26460), (2940, 24822), (2955, 24696), (3087, 23640), (3430, 21276), (3528, 20685), (3546, 20580), (3780, 19306), (3940, 18522), (4116, 17730), (4137, 17640), (4410, 16548), (4728, 15435), (5145, 14184), (5292, 13790), (5319, 13720), (5516, 13230), (5880, 12411), (5910, 12348), (6174, 11820), (6615, 11032), (6860, 10638), (6895, 10584), (7092, 10290), (7560, 9653), (7880, 9261), (8232, 8865), (8274, 8820)]