208959840

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{31}}^2\times {\mathrm{151}}^1$

素因数の和:234

約数の個数: 216

約数和(自身を含む): 741699504

約数和(自身を除く): 532739664

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 32, 36, 40, 45, 48, 60, 62, 72, 80, 90, 93, 96, 120, 124, 144, 151, 155, 160, 180, 186, 240, 248, 279, 288, 302, 310, 360, 372, 453, 465, 480, 496, 558, 604, 620, 720, 744, 755, 906, 930, 961, 992, 1116, 1208, 1240, 1359, 1395, 1440, 1488, 1510, 1812, 1860, 1922, 2232, 2265, 2416, 2480, 2718, 2790, 2883, 2976, 3020, 3624, 3720, 3844, 4464, 4530, 4681, 4805, 4832, 4960, 5436, 5580, 5766, 6040, 6795, 7248, 7440, 7688, 8649, 8928, 9060, 9362, 9610, 10872, 11160, 11532, 12080, 13590, 14043, 14415, 14496, 14880, 15376, 17298, 18120, 18724, 19220, 21744, 22320, 23064, 23405, 24160, 27180, 28086, 28830, 30752, 34596, 36240, 37448, 38440, 42129, 43245, 43488, 44640, 46128, 46810, 54360, 56172, 57660, 69192, 70215, 72480, 74896, 76880, 84258, 86490, 92256, 93620, 108720, 112344, 115320, 138384, 140430, 145111, 149792, 153760, 168516, 172980, 187240, 210645, 217440, 224688, 230640, 276768, 280860, 290222, 337032, 345960, 374480, 421290, 435333, 449376, 461280, 561720, 580444, 674064, 691920, 725555, 748960, 842580, 870666, 1123440, 1160888, 1305999, 1348128, 1383840, 1451110, 1685160, 1741332, 2176665, 2246880, 2321776, 2611998, 2902220, 3370320, 3482664, 4353330, 4643552, 5223996, 5804440, 6529995, 6740640, 6965328, 8706660, 10447992, 11608880, 13059990, 13930656, 17413320, 20895984, 23217760, 26119980, 34826640, 41791968, 52239960, 69653280, 104479920, 208959840]

約数ペア:

[(1, 208959840), (2, 104479920), (3, 69653280), (4, 52239960), (5, 41791968), (6, 34826640), (8, 26119980), (9, 23217760), (10, 20895984), (12, 17413320), (15, 13930656), (16, 13059990), (18, 11608880), (20, 10447992), (24, 8706660), (30, 6965328), (31, 6740640), (32, 6529995), (36, 5804440), (40, 5223996), (45, 4643552), (48, 4353330), (60, 3482664), (62, 3370320), (72, 2902220), (80, 2611998), (90, 2321776), (93, 2246880), (96, 2176665), (120, 1741332), (124, 1685160), (144, 1451110), (151, 1383840), (155, 1348128), (160, 1305999), (180, 1160888), (186, 1123440), (240, 870666), (248, 842580), (279, 748960), (288, 725555), (302, 691920), (310, 674064), (360, 580444), (372, 561720), (453, 461280), (465, 449376), (480, 435333), (496, 421290), (558, 374480), (604, 345960), (620, 337032), (720, 290222), (744, 280860), (755, 276768), (906, 230640), (930, 224688), (961, 217440), (992, 210645), (1116, 187240), (1208, 172980), (1240, 168516), (1359, 153760), (1395, 149792), (1440, 145111), (1488, 140430), (1510, 138384), (1812, 115320), (1860, 112344), (1922, 108720), (2232, 93620), (2265, 92256), (2416, 86490), (2480, 84258), (2718, 76880), (2790, 74896), (2883, 72480), (2976, 70215), (3020, 69192), (3624, 57660), (3720, 56172), (3844, 54360), (4464, 46810), (4530, 46128), (4681, 44640), (4805, 43488), (4832, 43245), (4960, 42129), (5436, 38440), (5580, 37448), (5766, 36240), (6040, 34596), (6795, 30752), (7248, 28830), (7440, 28086), (7688, 27180), (8649, 24160), (8928, 23405), (9060, 23064), (9362, 22320), (9610, 21744), (10872, 19220), (11160, 18724), (11532, 18120), (12080, 17298), (13590, 15376), (14043, 14880), (14415, 14496)]