668979360

素因数分解:

$2^5\times 3^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{499}}^1$

素因数の和:553

約数の個数: 432

約数和(自身を含む): 2800980000

約数和(自身を除く): 2132000640

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 19, 20, 21, 24, 28, 30, 32, 35, 36, 38, 40, 42, 45, 48, 49, 56, 57, 60, 63, 70, 72, 76, 80, 84, 90, 95, 96, 98, 105, 112, 114, 120, 126, 133, 140, 144, 147, 152, 160, 168, 171, 180, 190, 196, 210, 224, 228, 240, 245, 252, 266, 280, 285, 288, 294, 304, 315, 336, 342, 360, 380, 392, 399, 420, 441, 456, 480, 490, 499, 504, 532, 560, 570, 588, 608, 630, 665, 672, 684, 720, 735, 760, 784, 798, 840, 855, 882, 912, 931, 980, 998, 1008, 1064, 1120, 1140, 1176, 1197, 1260, 1330, 1368, 1440, 1470, 1497, 1520, 1568, 1596, 1680, 1710, 1764, 1824, 1862, 1960, 1995, 1996, 2016, 2128, 2205, 2280, 2352, 2394, 2495, 2520, 2660, 2736, 2793, 2940, 2994, 3040, 3192, 3360, 3420, 3493, 3528, 3724, 3920, 3990, 3992, 4256, 4410, 4491, 4560, 4655, 4704, 4788, 4990, 5040, 5320, 5472, 5586, 5880, 5985, 5988, 6384, 6840, 6986, 7056, 7448, 7485, 7840, 7980, 7984, 8379, 8820, 8982, 9120, 9310, 9481, 9576, 9980, 10080, 10479, 10640, 11172, 11760, 11970, 11976, 12768, 13680, 13965, 13972, 14112, 14896, 14970, 15960, 15968, 16758, 17465, 17640, 17964, 18620, 18962, 19152, 19960, 20958, 21280, 22344, 22455, 23520, 23940, 23952, 24451, 27360, 27930, 27944, 28443, 29792, 29940, 31437, 31920, 33516, 34930, 35280, 35928, 37240, 37924, 38304, 39920, 41895, 41916, 44688, 44910, 47405, 47880, 47904, 48902, 52395, 55860, 55888, 56886, 59880, 62874, 63840, 66367, 67032, 69860, 70560, 71856, 73353, 74480, 75848, 79840, 83790, 83832, 85329, 89376, 89820, 94810, 95760, 97804, 104790, 111720, 111776, 113772, 119760, 122255, 125748, 132734, 134064, 139720, 142215, 143712, 146706, 148960, 151696, 157185, 167580, 167664, 170658, 179640, 189620, 191520, 195608, 199101, 209580, 220059, 223440, 227544, 239520, 244510, 251496, 265468, 268128, 279440, 284430, 293412, 303392, 314370, 331835, 335160, 335328, 341316, 359280, 366765, 379240, 391216, 398202, 419160, 426645, 440118, 446880, 455088, 464569, 489020, 502992, 530936, 558880, 568860, 586824, 597303, 628740, 663670, 670320, 682632, 718560, 733530, 758480, 782432, 796404, 838320, 853290, 880236, 910176, 929138, 978040, 995505, 1005984, 1061872, 1100295, 1137720, 1173648, 1194606, 1257480, 1327340, 1340640, 1365264, 1393707, 1467060, 1516960, 1592808, 1676640, 1706580, 1760472, 1858276, 1956080, 1991010, 2123744, 2200590, 2275440, 2322845, 2347296, 2389212, 2514960, 2654680, 2730528, 2787414, 2934120, 2986515, 3185616, 3413160, 3520944, 3716552, 3912160, 3982020, 4181121, 4401180, 4550880, 4645690, 4778424, 5029920, 5309360, 5574828, 5868240, 5973030, 6371232, 6826320, 6968535, 7041888, 7433104, 7964040, 8362242, 8802360, 9291380, 9556848, 10618720, 11149656, 11736480, 11946060, 13652640, 13937070, 14866208, 15928080, 16724484, 17604720, 18582760, 19113696, 20905605, 22299312, 23892120, 27874140, 31856160, 33448968, 35209440, 37165520, 41811210, 44598624, 47784240, 55748280, 66897936, 74331040, 83622420, 95568480, 111496560, 133795872, 167244840, 222993120, 334489680, 668979360]

約数ペア:

[(1, 668979360), (2, 334489680), (3, 222993120), (4, 167244840), (5, 133795872), (6, 111496560), (7, 95568480), (8, 83622420), (9, 74331040), (10, 66897936), (12, 55748280), (14, 47784240), (15, 44598624), (16, 41811210), (18, 37165520), (19, 35209440), (20, 33448968), (21, 31856160), (24, 27874140), (28, 23892120), (30, 22299312), (32, 20905605), (35, 19113696), (36, 18582760), (38, 17604720), (40, 16724484), (42, 15928080), (45, 14866208), (48, 13937070), (49, 13652640), (56, 11946060), (57, 11736480), (60, 11149656), (63, 10618720), (70, 9556848), (72, 9291380), (76, 8802360), (80, 8362242), (84, 7964040), (90, 7433104), (95, 7041888), (96, 6968535), (98, 6826320), (105, 6371232), (112, 5973030), (114, 5868240), (120, 5574828), (126, 5309360), (133, 5029920), (140, 4778424), (144, 4645690), (147, 4550880), (152, 4401180), (160, 4181121), (168, 3982020), (171, 3912160), (180, 3716552), (190, 3520944), (196, 3413160), (210, 3185616), (224, 2986515), (228, 2934120), (240, 2787414), (245, 2730528), (252, 2654680), (266, 2514960), (280, 2389212), (285, 2347296), (288, 2322845), (294, 2275440), (304, 2200590), (315, 2123744), (336, 1991010), (342, 1956080), (360, 1858276), (380, 1760472), (392, 1706580), (399, 1676640), (420, 1592808), (441, 1516960), (456, 1467060), (480, 1393707), (490, 1365264), (499, 1340640), (504, 1327340), (532, 1257480), (560, 1194606), (570, 1173648), (588, 1137720), (608, 1100295), (630, 1061872), (665, 1005984), (672, 995505), (684, 978040), (720, 929138), (735, 910176), (760, 880236), (784, 853290), (798, 838320), (840, 796404), (855, 782432), (882, 758480), (912, 733530), (931, 718560), (980, 682632), (998, 670320), (1008, 663670), (1064, 628740), (1120, 597303), (1140, 586824), (1176, 568860), (1197, 558880), (1260, 530936), (1330, 502992), (1368, 489020), (1440, 464569), (1470, 455088), (1497, 446880), (1520, 440118), (1568, 426645), (1596, 419160), (1680, 398202), (1710, 391216), (1764, 379240), (1824, 366765), (1862, 359280), (1960, 341316), (1995, 335328), (1996, 335160), (2016, 331835), (2128, 314370), (2205, 303392), (2280, 293412), (2352, 284430), (2394, 279440), (2495, 268128), (2520, 265468), (2660, 251496), (2736, 244510), (2793, 239520), (2940, 227544), (2994, 223440), (3040, 220059), (3192, 209580), (3360, 199101), (3420, 195608), (3493, 191520), (3528, 189620), (3724, 179640), (3920, 170658), (3990, 167664), (3992, 167580), (4256, 157185), (4410, 151696), (4491, 148960), (4560, 146706), (4655, 143712), (4704, 142215), (4788, 139720), (4990, 134064), (5040, 132734), (5320, 125748), (5472, 122255), (5586, 119760), (5880, 113772), (5985, 111776), (5988, 111720), (6384, 104790), (6840, 97804), (6986, 95760), (7056, 94810), (7448, 89820), (7485, 89376), (7840, 85329), (7980, 83832), (7984, 83790), (8379, 79840), (8820, 75848), (8982, 74480), (9120, 73353), (9310, 71856), (9481, 70560), (9576, 69860), (9980, 67032), (10080, 66367), (10479, 63840), (10640, 62874), (11172, 59880), (11760, 56886), (11970, 55888), (11976, 55860), (12768, 52395), (13680, 48902), (13965, 47904), (13972, 47880), (14112, 47405), (14896, 44910), (14970, 44688), (15960, 41916), (15968, 41895), (16758, 39920), (17465, 38304), (17640, 37924), (17964, 37240), (18620, 35928), (18962, 35280), (19152, 34930), (19960, 33516), (20958, 31920), (21280, 31437), (22344, 29940), (22455, 29792), (23520, 28443), (23940, 27944), (23952, 27930), (24451, 27360)]