278613120

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{31}}^2\times {\mathrm{151}}^1$

素因数の和:235

約数の個数: 192

約数和(自身を含む): 923728320

約数和(自身を除く): 645115200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 48, 60, 62, 64, 80, 93, 96, 120, 124, 128, 151, 155, 160, 186, 192, 240, 248, 302, 310, 320, 372, 384, 453, 465, 480, 496, 604, 620, 640, 744, 755, 906, 930, 960, 961, 992, 1208, 1240, 1488, 1510, 1812, 1860, 1920, 1922, 1984, 2265, 2416, 2480, 2883, 2976, 3020, 3624, 3720, 3844, 3968, 4530, 4681, 4805, 4832, 4960, 5766, 5952, 6040, 7248, 7440, 7688, 9060, 9362, 9610, 9664, 9920, 11532, 11904, 12080, 14043, 14415, 14496, 14880, 15376, 18120, 18724, 19220, 19328, 19840, 23064, 23405, 24160, 28086, 28830, 28992, 29760, 30752, 36240, 37448, 38440, 46128, 46810, 48320, 56172, 57660, 57984, 59520, 61504, 70215, 72480, 74896, 76880, 92256, 93620, 96640, 112344, 115320, 123008, 140430, 144960, 145111, 149792, 153760, 184512, 187240, 224688, 230640, 280860, 289920, 290222, 299584, 307520, 369024, 374480, 435333, 449376, 461280, 561720, 580444, 599168, 615040, 725555, 748960, 870666, 898752, 922560, 1123440, 1160888, 1451110, 1497920, 1741332, 1797504, 1845120, 2176665, 2246880, 2321776, 2902220, 2995840, 3482664, 4353330, 4493760, 4643552, 5804440, 6965328, 8706660, 8987520, 9287104, 11608880, 13930656, 17413320, 18574208, 23217760, 27861312, 34826640, 46435520, 55722624, 69653280, 92871040, 139306560, 278613120]

約数ペア:

[(1, 278613120), (2, 139306560), (3, 92871040), (4, 69653280), (5, 55722624), (6, 46435520), (8, 34826640), (10, 27861312), (12, 23217760), (15, 18574208), (16, 17413320), (20, 13930656), (24, 11608880), (30, 9287104), (31, 8987520), (32, 8706660), (40, 6965328), (48, 5804440), (60, 4643552), (62, 4493760), (64, 4353330), (80, 3482664), (93, 2995840), (96, 2902220), (120, 2321776), (124, 2246880), (128, 2176665), (151, 1845120), (155, 1797504), (160, 1741332), (186, 1497920), (192, 1451110), (240, 1160888), (248, 1123440), (302, 922560), (310, 898752), (320, 870666), (372, 748960), (384, 725555), (453, 615040), (465, 599168), (480, 580444), (496, 561720), (604, 461280), (620, 449376), (640, 435333), (744, 374480), (755, 369024), (906, 307520), (930, 299584), (960, 290222), (961, 289920), (992, 280860), (1208, 230640), (1240, 224688), (1488, 187240), (1510, 184512), (1812, 153760), (1860, 149792), (1920, 145111), (1922, 144960), (1984, 140430), (2265, 123008), (2416, 115320), (2480, 112344), (2883, 96640), (2976, 93620), (3020, 92256), (3624, 76880), (3720, 74896), (3844, 72480), (3968, 70215), (4530, 61504), (4681, 59520), (4805, 57984), (4832, 57660), (4960, 56172), (5766, 48320), (5952, 46810), (6040, 46128), (7248, 38440), (7440, 37448), (7688, 36240), (9060, 30752), (9362, 29760), (9610, 28992), (9664, 28830), (9920, 28086), (11532, 24160), (11904, 23405), (12080, 23064), (14043, 19840), (14415, 19328), (14496, 19220), (14880, 18724), (15376, 18120)]