398718720

素因数分解:

$2^8\times 3^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{139}}^1$

素因数の和:252

約数の個数: 288

約数和(自身を含む): 1442246400

約数和(自身を除く): 1043527680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 83, 90, 96, 108, 120, 128, 135, 139, 144, 160, 166, 180, 192, 216, 240, 249, 256, 270, 278, 288, 320, 332, 360, 384, 415, 417, 432, 480, 498, 540, 556, 576, 640, 664, 695, 720, 747, 768, 830, 834, 864, 960, 996, 1080, 1112, 1152, 1245, 1251, 1280, 1328, 1390, 1440, 1494, 1660, 1668, 1728, 1920, 1992, 2085, 2160, 2224, 2241, 2304, 2490, 2502, 2656, 2780, 2880, 2988, 3320, 3336, 3456, 3735, 3753, 3840, 3984, 4170, 4320, 4448, 4482, 4980, 5004, 5312, 5560, 5760, 5976, 6255, 6640, 6672, 6912, 7470, 7506, 7968, 8340, 8640, 8896, 8964, 9960, 10008, 10624, 11120, 11205, 11520, 11537, 11952, 12510, 13280, 13344, 14940, 15012, 15936, 16680, 17280, 17792, 17928, 18765, 19920, 20016, 21248, 22240, 22410, 23074, 23904, 25020, 26560, 26688, 29880, 30024, 31872, 33360, 34560, 34611, 35584, 35856, 37530, 39840, 40032, 44480, 44820, 46148, 47808, 50040, 53120, 53376, 57685, 59760, 60048, 63744, 66720, 69222, 71712, 75060, 79680, 80064, 88960, 89640, 92296, 95616, 100080, 103833, 106240, 106752, 115370, 119520, 120096, 133440, 138444, 143424, 150120, 159360, 160128, 173055, 177920, 179280, 184592, 191232, 200160, 207666, 230740, 239040, 240192, 266880, 276888, 286848, 300240, 311499, 318720, 320256, 346110, 358560, 369184, 400320, 415332, 461480, 478080, 480384, 519165, 533760, 553776, 573696, 600480, 622998, 692220, 717120, 738368, 800640, 830664, 922960, 956160, 960768, 1038330, 1107552, 1200960, 1245996, 1384440, 1434240, 1476736, 1557495, 1601280, 1661328, 1845920, 2076660, 2215104, 2401920, 2491992, 2768880, 2868480, 2953472, 3114990, 3322656, 3691840, 4153320, 4430208, 4803840, 4983984, 5537760, 6229980, 6645312, 7383680, 8306640, 8860416, 9967968, 11075520, 12459960, 13290624, 14767360, 16613280, 19935936, 22151040, 24919920, 26581248, 33226560, 39871872, 44302080, 49839840, 66453120, 79743744, 99679680, 132906240, 199359360, 398718720]

約数ペア:

[(1, 398718720), (2, 199359360), (3, 132906240), (4, 99679680), (5, 79743744), (6, 66453120), (8, 49839840), (9, 44302080), (10, 39871872), (12, 33226560), (15, 26581248), (16, 24919920), (18, 22151040), (20, 19935936), (24, 16613280), (27, 14767360), (30, 13290624), (32, 12459960), (36, 11075520), (40, 9967968), (45, 8860416), (48, 8306640), (54, 7383680), (60, 6645312), (64, 6229980), (72, 5537760), (80, 4983984), (83, 4803840), (90, 4430208), (96, 4153320), (108, 3691840), (120, 3322656), (128, 3114990), (135, 2953472), (139, 2868480), (144, 2768880), (160, 2491992), (166, 2401920), (180, 2215104), (192, 2076660), (216, 1845920), (240, 1661328), (249, 1601280), (256, 1557495), (270, 1476736), (278, 1434240), (288, 1384440), (320, 1245996), (332, 1200960), (360, 1107552), (384, 1038330), (415, 960768), (417, 956160), (432, 922960), (480, 830664), (498, 800640), (540, 738368), (556, 717120), (576, 692220), (640, 622998), (664, 600480), (695, 573696), (720, 553776), (747, 533760), (768, 519165), (830, 480384), (834, 478080), (864, 461480), (960, 415332), (996, 400320), (1080, 369184), (1112, 358560), (1152, 346110), (1245, 320256), (1251, 318720), (1280, 311499), (1328, 300240), (1390, 286848), (1440, 276888), (1494, 266880), (1660, 240192), (1668, 239040), (1728, 230740), (1920, 207666), (1992, 200160), (2085, 191232), (2160, 184592), (2224, 179280), (2241, 177920), (2304, 173055), (2490, 160128), (2502, 159360), (2656, 150120), (2780, 143424), (2880, 138444), (2988, 133440), (3320, 120096), (3336, 119520), (3456, 115370), (3735, 106752), (3753, 106240), (3840, 103833), (3984, 100080), (4170, 95616), (4320, 92296), (4448, 89640), (4482, 88960), (4980, 80064), (5004, 79680), (5312, 75060), (5560, 71712), (5760, 69222), (5976, 66720), (6255, 63744), (6640, 60048), (6672, 59760), (6912, 57685), (7470, 53376), (7506, 53120), (7968, 50040), (8340, 47808), (8640, 46148), (8896, 44820), (8964, 44480), (9960, 40032), (10008, 39840), (10624, 37530), (11120, 35856), (11205, 35584), (11520, 34611), (11537, 34560), (11952, 33360), (12510, 31872), (13280, 30024), (13344, 29880), (14940, 26688), (15012, 26560), (15936, 25020), (16680, 23904), (17280, 23074), (17792, 22410), (17928, 22240), (18765, 21248), (19920, 20016)]