666481920

素因数分解:

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

素因数の和:142

約数の個数: 288

約数和(自身を含む): 2335065600

約数和(自身を除く): 1668583680

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, 2197, 2370, 2496, 2528, 2535, 2704, 3081, 3120, 3160, 3328, 3380, 3792, 3840, 4056, 4108, 4160, 4394, 4740, 4992, 5056, 5070, 5135, 5408, 6162, 6240, 6320, 6591, 6760, 7584, 8112, 8216, 8320, 8788, 9480, 9984, 10112, 10140, 10270, 10816, 10985, 12324, 12480, 12640, 13182, 13351, 13520, 15168, 15405, 16224, 16432, 16640, 17576, 18960, 20224, 20280, 20540, 21632, 21970, 24648, 24960, 25280, 26364, 26702, 27040, 30336, 30810, 32448, 32864, 32955, 35152, 37920, 40053, 40560, 41080, 43264, 43940, 49296, 49920, 50560, 52728, 53404, 54080, 60672, 61620, 64896, 65728, 65910, 66755, 70304, 75840, 80106, 81120, 82160, 87880, 98592, 101120, 105456, 106808, 108160, 123240, 129792, 131456, 131820, 133510, 140608, 151680, 160212, 162240, 164320, 173563, 175760, 197184, 200265, 210912, 213616, 216320, 246480, 262912, 263640, 267020, 281216, 303360, 320424, 324480, 328640, 347126, 351520, 394368, 400530, 421824, 427232, 492960, 520689, 527280, 534040, 562432, 640848, 648960, 657280, 694252, 703040, 788736, 801060, 843648, 854464, 867815, 985920, 1041378, 1054560, 1068080, 1281696, 1314560, 1388504, 1406080, 1602120, 1687296, 1708928, 1735630, 1971840, 2082756, 2109120, 2136160, 2563392, 2603445, 2777008, 2812160, 3204240, 3417856, 3471260, 3943680, 4165512, 4218240, 4272320, 5126784, 5206890, 5554016, 6408480, 6942520, 8331024, 8436480, 8544640, 10253568, 10413780, 11108032, 12816960, 13885040, 16662048, 17089280, 20827560, 22216064, 25633920, 27770080, 33324096, 41655120, 44432128, 51267840, 55540160, 66648192, 83310240, 111080320, 133296384, 166620480, 222160640, 333240960, 666481920]

約数ペア:

[(1, 666481920), (2, 333240960), (3, 222160640), (4, 166620480), (5, 133296384), (6, 111080320), (8, 83310240), (10, 66648192), (12, 55540160), (13, 51267840), (15, 44432128), (16, 41655120), (20, 33324096), (24, 27770080), (26, 25633920), (30, 22216064), (32, 20827560), (39, 17089280), (40, 16662048), (48, 13885040), (52, 12816960), (60, 11108032), (64, 10413780), (65, 10253568), (78, 8544640), (79, 8436480), (80, 8331024), (96, 6942520), (104, 6408480), (120, 5554016), (128, 5206890), (130, 5126784), (156, 4272320), (158, 4218240), (160, 4165512), (169, 3943680), (192, 3471260), (195, 3417856), (208, 3204240), (237, 2812160), (240, 2777008), (256, 2603445), (260, 2563392), (312, 2136160), (316, 2109120), (320, 2082756), (338, 1971840), (384, 1735630), (390, 1708928), (395, 1687296), (416, 1602120), (474, 1406080), (480, 1388504), (507, 1314560), (520, 1281696), (624, 1068080), (632, 1054560), (640, 1041378), (676, 985920), (768, 867815), (780, 854464), (790, 843648), (832, 801060), (845, 788736), (948, 703040), (960, 694252), (1014, 657280), (1027, 648960), (1040, 640848), (1185, 562432), (1248, 534040), (1264, 527280), (1280, 520689), (1352, 492960), (1560, 427232), (1580, 421824), (1664, 400530), (1690, 394368), (1896, 351520), (1920, 347126), (2028, 328640), (2054, 324480), (2080, 320424), (2197, 303360), (2370, 281216), (2496, 267020), (2528, 263640), (2535, 262912), (2704, 246480), (3081, 216320), (3120, 213616), (3160, 210912), (3328, 200265), (3380, 197184), (3792, 175760), (3840, 173563), (4056, 164320), (4108, 162240), (4160, 160212), (4394, 151680), (4740, 140608), (4992, 133510), (5056, 131820), (5070, 131456), (5135, 129792), (5408, 123240), (6162, 108160), (6240, 106808), (6320, 105456), (6591, 101120), (6760, 98592), (7584, 87880), (8112, 82160), (8216, 81120), (8320, 80106), (8788, 75840), (9480, 70304), (9984, 66755), (10112, 65910), (10140, 65728), (10270, 64896), (10816, 61620), (10985, 60672), (12324, 54080), (12480, 53404), (12640, 52728), (13182, 50560), (13351, 49920), (13520, 49296), (15168, 43940), (15405, 43264), (16224, 41080), (16432, 40560), (16640, 40053), (17576, 37920), (18960, 35152), (20224, 32955), (20280, 32864), (20540, 32448), (21632, 30810), (21970, 30336), (24648, 27040), (24960, 26702), (25280, 26364)]