1255246720

素因数分解:

$2^7\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{3079}}^1$

素因数の和:3125

約数の個数: 192

約数和(自身を含む): 3760495200

約数和(自身を除く): 2505248480

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 49, 52, 56, 64, 65, 70, 80, 91, 98, 104, 112, 128, 130, 140, 160, 182, 196, 208, 224, 245, 260, 280, 320, 364, 392, 416, 448, 455, 490, 520, 560, 637, 640, 728, 784, 832, 896, 910, 980, 1040, 1120, 1274, 1456, 1568, 1664, 1820, 1960, 2080, 2240, 2548, 2912, 3079, 3136, 3185, 3640, 3920, 4160, 4480, 5096, 5824, 6158, 6272, 6370, 7280, 7840, 8320, 10192, 11648, 12316, 12740, 14560, 15395, 15680, 20384, 21553, 24632, 25480, 29120, 30790, 31360, 40027, 40768, 43106, 49264, 50960, 58240, 61580, 80054, 81536, 86212, 98528, 101920, 107765, 123160, 150871, 160108, 172424, 197056, 200135, 203840, 215530, 246320, 280189, 301742, 320216, 344848, 394112, 400270, 407680, 431060, 492640, 560378, 603484, 640432, 689696, 754355, 800540, 862120, 985280, 1120756, 1206968, 1280864, 1379392, 1400945, 1508710, 1601080, 1724240, 1961323, 1970560, 2241512, 2413936, 2561728, 2758784, 2801890, 3017420, 3202160, 3448480, 3922646, 4483024, 4827872, 5123456, 5603780, 6034840, 6404320, 6896960, 7845292, 8966048, 9655744, 9806615, 11207560, 12069680, 12808640, 13793920, 15690584, 17932096, 19311488, 19613230, 22415120, 24139360, 25617280, 31381168, 35864192, 39226460, 44830240, 48278720, 62762336, 78452920, 89660480, 96557440, 125524672, 156905840, 179320960, 251049344, 313811680, 627623360, 1255246720]

約数ペア:

[(1, 1255246720), (2, 627623360), (4, 313811680), (5, 251049344), (7, 179320960), (8, 156905840), (10, 125524672), (13, 96557440), (14, 89660480), (16, 78452920), (20, 62762336), (26, 48278720), (28, 44830240), (32, 39226460), (35, 35864192), (40, 31381168), (49, 25617280), (52, 24139360), (56, 22415120), (64, 19613230), (65, 19311488), (70, 17932096), (80, 15690584), (91, 13793920), (98, 12808640), (104, 12069680), (112, 11207560), (128, 9806615), (130, 9655744), (140, 8966048), (160, 7845292), (182, 6896960), (196, 6404320), (208, 6034840), (224, 5603780), (245, 5123456), (260, 4827872), (280, 4483024), (320, 3922646), (364, 3448480), (392, 3202160), (416, 3017420), (448, 2801890), (455, 2758784), (490, 2561728), (520, 2413936), (560, 2241512), (637, 1970560), (640, 1961323), (728, 1724240), (784, 1601080), (832, 1508710), (896, 1400945), (910, 1379392), (980, 1280864), (1040, 1206968), (1120, 1120756), (1274, 985280), (1456, 862120), (1568, 800540), (1664, 754355), (1820, 689696), (1960, 640432), (2080, 603484), (2240, 560378), (2548, 492640), (2912, 431060), (3079, 407680), (3136, 400270), (3185, 394112), (3640, 344848), (3920, 320216), (4160, 301742), (4480, 280189), (5096, 246320), (5824, 215530), (6158, 203840), (6272, 200135), (6370, 197056), (7280, 172424), (7840, 160108), (8320, 150871), (10192, 123160), (11648, 107765), (12316, 101920), (12740, 98528), (14560, 86212), (15395, 81536), (15680, 80054), (20384, 61580), (21553, 58240), (24632, 50960), (25480, 49264), (29120, 43106), (30790, 40768), (31360, 40027)]