311201280

素因数分解:

$2^9\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1039}}^1$

素因数の和:1081

約数の個数: 240

約数和(自身を含む): 1161800640

約数和(自身を除く): 850599360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 32, 36, 39, 40, 45, 48, 52, 60, 64, 65, 72, 78, 80, 90, 96, 104, 117, 120, 128, 130, 144, 156, 160, 180, 192, 195, 208, 234, 240, 256, 260, 288, 312, 320, 360, 384, 390, 416, 468, 480, 512, 520, 576, 585, 624, 640, 720, 768, 780, 832, 936, 960, 1039, 1040, 1152, 1170, 1248, 1280, 1440, 1536, 1560, 1664, 1872, 1920, 2078, 2080, 2304, 2340, 2496, 2560, 2880, 3117, 3120, 3328, 3744, 3840, 4156, 4160, 4608, 4680, 4992, 5195, 5760, 6234, 6240, 6656, 7488, 7680, 8312, 8320, 9351, 9360, 9984, 10390, 11520, 12468, 12480, 13507, 14976, 15585, 16624, 16640, 18702, 18720, 19968, 20780, 23040, 24936, 24960, 27014, 29952, 31170, 33248, 33280, 37404, 37440, 40521, 41560, 46755, 49872, 49920, 54028, 59904, 62340, 66496, 67535, 74808, 74880, 81042, 83120, 93510, 99744, 99840, 108056, 121563, 124680, 132992, 135070, 149616, 149760, 162084, 166240, 187020, 199488, 202605, 216112, 243126, 249360, 265984, 270140, 299232, 299520, 324168, 332480, 374040, 398976, 405210, 432224, 486252, 498720, 531968, 540280, 598464, 607815, 648336, 664960, 748080, 797952, 810420, 864448, 972504, 997440, 1080560, 1196928, 1215630, 1296672, 1329920, 1496160, 1595904, 1620840, 1728896, 1945008, 1994880, 2161120, 2393856, 2431260, 2593344, 2659840, 2992320, 3241680, 3457792, 3890016, 3989760, 4322240, 4787712, 4862520, 5186688, 5984640, 6483360, 6915584, 7780032, 7979520, 8644480, 9725040, 10373376, 11969280, 12966720, 15560064, 17288960, 19450080, 20746752, 23938560, 25933440, 31120128, 34577920, 38900160, 51866880, 62240256, 77800320, 103733760, 155600640, 311201280]

約数ペア:

[(1, 311201280), (2, 155600640), (3, 103733760), (4, 77800320), (5, 62240256), (6, 51866880), (8, 38900160), (9, 34577920), (10, 31120128), (12, 25933440), (13, 23938560), (15, 20746752), (16, 19450080), (18, 17288960), (20, 15560064), (24, 12966720), (26, 11969280), (30, 10373376), (32, 9725040), (36, 8644480), (39, 7979520), (40, 7780032), (45, 6915584), (48, 6483360), (52, 5984640), (60, 5186688), (64, 4862520), (65, 4787712), (72, 4322240), (78, 3989760), (80, 3890016), (90, 3457792), (96, 3241680), (104, 2992320), (117, 2659840), (120, 2593344), (128, 2431260), (130, 2393856), (144, 2161120), (156, 1994880), (160, 1945008), (180, 1728896), (192, 1620840), (195, 1595904), (208, 1496160), (234, 1329920), (240, 1296672), (256, 1215630), (260, 1196928), (288, 1080560), (312, 997440), (320, 972504), (360, 864448), (384, 810420), (390, 797952), (416, 748080), (468, 664960), (480, 648336), (512, 607815), (520, 598464), (576, 540280), (585, 531968), (624, 498720), (640, 486252), (720, 432224), (768, 405210), (780, 398976), (832, 374040), (936, 332480), (960, 324168), (1039, 299520), (1040, 299232), (1152, 270140), (1170, 265984), (1248, 249360), (1280, 243126), (1440, 216112), (1536, 202605), (1560, 199488), (1664, 187020), (1872, 166240), (1920, 162084), (2078, 149760), (2080, 149616), (2304, 135070), (2340, 132992), (2496, 124680), (2560, 121563), (2880, 108056), (3117, 99840), (3120, 99744), (3328, 93510), (3744, 83120), (3840, 81042), (4156, 74880), (4160, 74808), (4608, 67535), (4680, 66496), (4992, 62340), (5195, 59904), (5760, 54028), (6234, 49920), (6240, 49872), (6656, 46755), (7488, 41560), (7680, 40521), (8312, 37440), (8320, 37404), (9351, 33280), (9360, 33248), (9984, 31170), (10390, 29952), (11520, 27014), (12468, 24960), (12480, 24936), (13507, 23040), (14976, 20780), (15585, 19968), (16624, 18720), (16640, 18702)]