51237120

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1213}}^1$

素因数の和:1248

約数の個数: 144

約数和(自身を含む): 178661952

約数和(自身を除く): 127424832

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 40, 44, 48, 55, 60, 64, 66, 80, 88, 96, 110, 120, 128, 132, 160, 165, 176, 192, 220, 240, 256, 264, 320, 330, 352, 384, 440, 480, 528, 640, 660, 704, 768, 880, 960, 1056, 1213, 1280, 1320, 1408, 1760, 1920, 2112, 2426, 2640, 2816, 3520, 3639, 3840, 4224, 4852, 5280, 6065, 7040, 7278, 8448, 9704, 10560, 12130, 13343, 14080, 14556, 18195, 19408, 21120, 24260, 26686, 29112, 36390, 38816, 40029, 42240, 48520, 53372, 58224, 66715, 72780, 77632, 80058, 97040, 106744, 116448, 133430, 145560, 155264, 160116, 194080, 200145, 213488, 232896, 266860, 291120, 310528, 320232, 388160, 400290, 426976, 465792, 533720, 582240, 640464, 776320, 800580, 853952, 931584, 1067440, 1164480, 1280928, 1552640, 1601160, 1707904, 2134880, 2328960, 2561856, 3202320, 3415808, 4269760, 4657920, 5123712, 6404640, 8539520, 10247424, 12809280, 17079040, 25618560, 51237120]

約数ペア:

[(1, 51237120), (2, 25618560), (3, 17079040), (4, 12809280), (5, 10247424), (6, 8539520), (8, 6404640), (10, 5123712), (11, 4657920), (12, 4269760), (15, 3415808), (16, 3202320), (20, 2561856), (22, 2328960), (24, 2134880), (30, 1707904), (32, 1601160), (33, 1552640), (40, 1280928), (44, 1164480), (48, 1067440), (55, 931584), (60, 853952), (64, 800580), (66, 776320), (80, 640464), (88, 582240), (96, 533720), (110, 465792), (120, 426976), (128, 400290), (132, 388160), (160, 320232), (165, 310528), (176, 291120), (192, 266860), (220, 232896), (240, 213488), (256, 200145), (264, 194080), (320, 160116), (330, 155264), (352, 145560), (384, 133430), (440, 116448), (480, 106744), (528, 97040), (640, 80058), (660, 77632), (704, 72780), (768, 66715), (880, 58224), (960, 53372), (1056, 48520), (1213, 42240), (1280, 40029), (1320, 38816), (1408, 36390), (1760, 29112), (1920, 26686), (2112, 24260), (2426, 21120), (2640, 19408), (2816, 18195), (3520, 14556), (3639, 14080), (3840, 13343), (4224, 12130), (4852, 10560), (5280, 9704), (6065, 8448), (7040, 7278)]