20681176320

素因数分解:

$2^8\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{8273}}^1$

素因数の和:8338

約数の個数: 432

約数和(自身を含む): 84424983552

約数和(自身を除く): 63743807232

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 31, 32, 35, 36, 40, 42, 45, 48, 56, 60, 62, 63, 64, 70, 72, 80, 84, 90, 93, 96, 105, 112, 120, 124, 126, 128, 140, 144, 155, 160, 168, 180, 186, 192, 210, 217, 224, 240, 248, 252, 256, 279, 280, 288, 310, 315, 320, 336, 360, 372, 384, 420, 434, 448, 465, 480, 496, 504, 558, 560, 576, 620, 630, 640, 651, 672, 720, 744, 768, 840, 868, 896, 930, 960, 992, 1008, 1085, 1116, 1120, 1152, 1240, 1260, 1280, 1302, 1344, 1395, 1440, 1488, 1680, 1736, 1792, 1860, 1920, 1953, 1984, 2016, 2170, 2232, 2240, 2304, 2480, 2520, 2604, 2688, 2790, 2880, 2976, 3255, 3360, 3472, 3720, 3840, 3906, 3968, 4032, 4340, 4464, 4480, 4960, 5040, 5208, 5376, 5580, 5760, 5952, 6510, 6720, 6944, 7440, 7812, 7936, 8064, 8273, 8680, 8928, 8960, 9765, 9920, 10080, 10416, 11160, 11520, 11904, 13020, 13440, 13888, 14880, 15624, 16128, 16546, 17360, 17856, 19530, 19840, 20160, 20832, 22320, 23808, 24819, 26040, 26880, 27776, 29760, 31248, 33092, 34720, 35712, 39060, 39680, 40320, 41365, 41664, 44640, 49638, 52080, 55552, 57911, 59520, 62496, 66184, 69440, 71424, 74457, 78120, 80640, 82730, 83328, 89280, 99276, 104160, 115822, 119040, 124095, 124992, 132368, 138880, 148914, 156240, 165460, 166656, 173733, 178560, 198552, 208320, 231644, 248190, 249984, 256463, 264736, 277760, 289555, 297828, 312480, 330920, 347466, 357120, 372285, 397104, 416640, 463288, 496380, 499968, 512926, 521199, 529472, 579110, 595656, 624960, 661840, 694932, 744570, 769389, 794208, 833280, 868665, 926576, 992760, 1025852, 1042398, 1058944, 1158220, 1191312, 1249920, 1282315, 1323680, 1389864, 1489140, 1538778, 1588416, 1737330, 1795241, 1853152, 1985520, 2051704, 2084796, 2117888, 2308167, 2316440, 2382624, 2499840, 2564630, 2605995, 2647360, 2779728, 2978280, 3077556, 3176832, 3474660, 3590482, 3706304, 3846945, 3971040, 4103408, 4169592, 4616334, 4632880, 4765248, 5129260, 5211990, 5294720, 5385723, 5559456, 5956560, 6155112, 6353664, 6949320, 7180964, 7412608, 7693890, 7942080, 8206816, 8339184, 8976205, 9232668, 9265760, 9530496, 10258520, 10423980, 10589440, 10771446, 11118912, 11540835, 11913120, 12310224, 13898640, 14361928, 14825216, 15387780, 15884160, 16157169, 16413632, 16678368, 17952410, 18465336, 18531520, 19060992, 20517040, 20847960, 21542892, 22237824, 23081670, 23826240, 24620448, 26928615, 27797280, 28723856, 30775560, 31768320, 32314338, 32827264, 33356736, 35904820, 36930672, 37063040, 41034080, 41695920, 43085784, 44475648, 46163340, 47652480, 49240896, 53857230, 55594560, 57447712, 61551120, 64628676, 65654528, 66713472, 71809640, 73861344, 74126080, 80785845, 82068160, 83391840, 86171568, 92326680, 95304960, 98481792, 107714460, 111189120, 114895424, 123102240, 129257352, 133426944, 143619280, 147722688, 161571690, 164136320, 166783680, 172343136, 184653360, 196963584, 215428920, 222378240, 229790848, 246204480, 258514704, 287238560, 295445376, 323143380, 328272640, 333567360, 344686272, 369306720, 430857840, 459581696, 492408960, 517029408, 574477120, 590890752, 646286760, 667134720, 689372544, 738613440, 861715680, 984817920, 1034058816, 1148954240, 1292573520, 1378745088, 1477226880, 1723431360, 2068117632, 2297908480, 2585147040, 2954453760, 3446862720, 4136235264, 5170294080, 6893725440, 10340588160, 20681176320]

約数ペア:

[(1, 20681176320), (2, 10340588160), (3, 6893725440), (4, 5170294080), (5, 4136235264), (6, 3446862720), (7, 2954453760), (8, 2585147040), (9, 2297908480), (10, 2068117632), (12, 1723431360), (14, 1477226880), (15, 1378745088), (16, 1292573520), (18, 1148954240), (20, 1034058816), (21, 984817920), (24, 861715680), (28, 738613440), (30, 689372544), (31, 667134720), (32, 646286760), (35, 590890752), (36, 574477120), (40, 517029408), (42, 492408960), (45, 459581696), (48, 430857840), (56, 369306720), (60, 344686272), (62, 333567360), (63, 328272640), (64, 323143380), (70, 295445376), (72, 287238560), (80, 258514704), (84, 246204480), (90, 229790848), (93, 222378240), (96, 215428920), (105, 196963584), (112, 184653360), (120, 172343136), (124, 166783680), (126, 164136320), (128, 161571690), (140, 147722688), (144, 143619280), (155, 133426944), (160, 129257352), (168, 123102240), (180, 114895424), (186, 111189120), (192, 107714460), (210, 98481792), (217, 95304960), (224, 92326680), (240, 86171568), (248, 83391840), (252, 82068160), (256, 80785845), (279, 74126080), (280, 73861344), (288, 71809640), (310, 66713472), (315, 65654528), (320, 64628676), (336, 61551120), (360, 57447712), (372, 55594560), (384, 53857230), (420, 49240896), (434, 47652480), (448, 46163340), (465, 44475648), (480, 43085784), (496, 41695920), (504, 41034080), (558, 37063040), (560, 36930672), (576, 35904820), (620, 33356736), (630, 32827264), (640, 32314338), (651, 31768320), (672, 30775560), (720, 28723856), (744, 27797280), (768, 26928615), (840, 24620448), (868, 23826240), (896, 23081670), (930, 22237824), (960, 21542892), (992, 20847960), (1008, 20517040), (1085, 19060992), (1116, 18531520), (1120, 18465336), (1152, 17952410), (1240, 16678368), (1260, 16413632), (1280, 16157169), (1302, 15884160), (1344, 15387780), (1395, 14825216), (1440, 14361928), (1488, 13898640), (1680, 12310224), (1736, 11913120), (1792, 11540835), (1860, 11118912), (1920, 10771446), (1953, 10589440), (1984, 10423980), (2016, 10258520), (2170, 9530496), (2232, 9265760), (2240, 9232668), (2304, 8976205), (2480, 8339184), (2520, 8206816), (2604, 7942080), (2688, 7693890), (2790, 7412608), (2880, 7180964), (2976, 6949320), (3255, 6353664), (3360, 6155112), (3472, 5956560), (3720, 5559456), (3840, 5385723), (3906, 5294720), (3968, 5211990), (4032, 5129260), (4340, 4765248), (4464, 4632880), (4480, 4616334), (4960, 4169592), (5040, 4103408), (5208, 3971040), (5376, 3846945), (5580, 3706304), (5760, 3590482), (5952, 3474660), (6510, 3176832), (6720, 3077556), (6944, 2978280), (7440, 2779728), (7812, 2647360), (7936, 2605995), (8064, 2564630), (8273, 2499840), (8680, 2382624), (8928, 2316440), (8960, 2308167), (9765, 2117888), (9920, 2084796), (10080, 2051704), (10416, 1985520), (11160, 1853152), (11520, 1795241), (11904, 1737330), (13020, 1588416), (13440, 1538778), (13888, 1489140), (14880, 1389864), (15624, 1323680), (16128, 1282315), (16546, 1249920), (17360, 1191312), (17856, 1158220), (19530, 1058944), (19840, 1042398), (20160, 1025852), (20832, 992760), (22320, 926576), (23808, 868665), (24819, 833280), (26040, 794208), (26880, 769389), (27776, 744570), (29760, 694932), (31248, 661840), (33092, 624960), (34720, 595656), (35712, 579110), (39060, 529472), (39680, 521199), (40320, 512926), (41365, 499968), (41664, 496380), (44640, 463288), (49638, 416640), (52080, 397104), (55552, 372285), (57911, 357120), (59520, 347466), (62496, 330920), (66184, 312480), (69440, 297828), (71424, 289555), (74457, 277760), (78120, 264736), (80640, 256463), (82730, 249984), (83328, 248190), (89280, 231644), (99276, 208320), (104160, 198552), (115822, 178560), (119040, 173733), (124095, 166656), (124992, 165460), (132368, 156240), (138880, 148914)]