51267840

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{79}}^1$

素因数の和:129

約数の個数: 216

約数和(自身を含む): 179544960

約数和(自身を除く): 128277120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 79, 80, 96, 104, 120, 128, 130, 156, 158, 160, 169, 192, 195, 208, 237, 240, 256, 260, 312, 316, 320, 338, 384, 390, 395, 416, 474, 480, 507, 520, 624, 632, 640, 676, 768, 780, 790, 832, 845, 948, 960, 1014, 1027, 1040, 1185, 1248, 1264, 1280, 1352, 1560, 1580, 1664, 1690, 1896, 1920, 2028, 2054, 2080, 2370, 2496, 2528, 2535, 2704, 3081, 3120, 3160, 3328, 3380, 3792, 3840, 4056, 4108, 4160, 4740, 4992, 5056, 5070, 5135, 5408, 6162, 6240, 6320, 6760, 7584, 8112, 8216, 8320, 9480, 9984, 10112, 10140, 10270, 10816, 12324, 12480, 12640, 13351, 13520, 15168, 15405, 16224, 16432, 16640, 18960, 20224, 20280, 20540, 21632, 24648, 24960, 25280, 26702, 27040, 30336, 30810, 32448, 32864, 37920, 40053, 40560, 41080, 43264, 49296, 49920, 50560, 53404, 54080, 60672, 61620, 64896, 65728, 66755, 75840, 80106, 81120, 82160, 98592, 101120, 106808, 108160, 123240, 129792, 131456, 133510, 151680, 160212, 162240, 164320, 197184, 200265, 213616, 216320, 246480, 262912, 267020, 303360, 320424, 324480, 328640, 394368, 400530, 427232, 492960, 534040, 640848, 648960, 657280, 788736, 801060, 854464, 985920, 1068080, 1281696, 1314560, 1602120, 1708928, 1971840, 2136160, 2563392, 3204240, 3417856, 3943680, 4272320, 5126784, 6408480, 8544640, 10253568, 12816960, 17089280, 25633920, 51267840]

約数ペア:

[(1, 51267840), (2, 25633920), (3, 17089280), (4, 12816960), (5, 10253568), (6, 8544640), (8, 6408480), (10, 5126784), (12, 4272320), (13, 3943680), (15, 3417856), (16, 3204240), (20, 2563392), (24, 2136160), (26, 1971840), (30, 1708928), (32, 1602120), (39, 1314560), (40, 1281696), (48, 1068080), (52, 985920), (60, 854464), (64, 801060), (65, 788736), (78, 657280), (79, 648960), (80, 640848), (96, 534040), (104, 492960), (120, 427232), (128, 400530), (130, 394368), (156, 328640), (158, 324480), (160, 320424), (169, 303360), (192, 267020), (195, 262912), (208, 246480), (237, 216320), (240, 213616), (256, 200265), (260, 197184), (312, 164320), (316, 162240), (320, 160212), (338, 151680), (384, 133510), (390, 131456), (395, 129792), (416, 123240), (474, 108160), (480, 106808), (507, 101120), (520, 98592), (624, 82160), (632, 81120), (640, 80106), (676, 75840), (768, 66755), (780, 65728), (790, 64896), (832, 61620), (845, 60672), (948, 54080), (960, 53404), (1014, 50560), (1027, 49920), (1040, 49296), (1185, 43264), (1248, 41080), (1264, 40560), (1280, 40053), (1352, 37920), (1560, 32864), (1580, 32448), (1664, 30810), (1690, 30336), (1896, 27040), (1920, 26702), (2028, 25280), (2054, 24960), (2080, 24648), (2370, 21632), (2496, 20540), (2528, 20280), (2535, 20224), (2704, 18960), (3081, 16640), (3120, 16432), (3160, 16224), (3328, 15405), (3380, 15168), (3792, 13520), (3840, 13351), (4056, 12640), (4108, 12480), (4160, 12324), (4740, 10816), (4992, 10270), (5056, 10140), (5070, 10112), (5135, 9984), (5408, 9480), (6162, 8320), (6240, 8216), (6320, 8112), (6760, 7584)]