257047560

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{281}}^1$

素因数の和:330

約数の個数: 384

約数和(自身を含む): 1080172800

約数和(自身を除く): 823125240

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 24, 27, 28, 30, 33, 35, 36, 40, 42, 44, 45, 54, 55, 56, 60, 63, 66, 70, 72, 77, 84, 88, 90, 99, 105, 108, 110, 120, 121, 126, 132, 135, 140, 154, 165, 168, 180, 189, 198, 210, 216, 220, 231, 242, 252, 264, 270, 280, 281, 297, 308, 315, 330, 360, 363, 378, 385, 396, 420, 440, 462, 484, 495, 504, 540, 562, 594, 605, 616, 630, 660, 693, 726, 756, 770, 792, 840, 843, 847, 924, 945, 968, 990, 1080, 1089, 1124, 1155, 1188, 1210, 1260, 1320, 1386, 1405, 1452, 1485, 1512, 1540, 1686, 1694, 1815, 1848, 1890, 1967, 1980, 2079, 2178, 2248, 2310, 2376, 2420, 2520, 2529, 2541, 2772, 2810, 2904, 2970, 3080, 3091, 3267, 3372, 3388, 3465, 3630, 3780, 3934, 3960, 4158, 4215, 4235, 4356, 4620, 4840, 5058, 5082, 5445, 5544, 5620, 5901, 5940, 6182, 6534, 6744, 6776, 6930, 7260, 7560, 7587, 7623, 7868, 8316, 8430, 8470, 8712, 9240, 9273, 9835, 10116, 10164, 10395, 10890, 11240, 11802, 11880, 12364, 12645, 12705, 13068, 13860, 14520, 15174, 15246, 15455, 15736, 16335, 16632, 16860, 16940, 17703, 18546, 19670, 20232, 20328, 20790, 21637, 21780, 22869, 23604, 24728, 25290, 25410, 26136, 27720, 27819, 29505, 30348, 30492, 30910, 32670, 33720, 33880, 34001, 35406, 37092, 37935, 38115, 39340, 41580, 43274, 43560, 45738, 46365, 47208, 50580, 50820, 53109, 55638, 59010, 60696, 60984, 61820, 64911, 65340, 68002, 70812, 74184, 75870, 76230, 78680, 83160, 83457, 86548, 88515, 91476, 92730, 101160, 101640, 102003, 106218, 108185, 111276, 114345, 118020, 123640, 129822, 130680, 136004, 139095, 141624, 151740, 152460, 166914, 170005, 173096, 177030, 182952, 185460, 194733, 204006, 212436, 216370, 222552, 228690, 236040, 238007, 259644, 265545, 272008, 278190, 303480, 304920, 306009, 324555, 333828, 340010, 354060, 370920, 389466, 408012, 417285, 424872, 432740, 457380, 476014, 510015, 519288, 531090, 556380, 584199, 612018, 649110, 667656, 680020, 708120, 714021, 778932, 816024, 834570, 865480, 914760, 918027, 952028, 973665, 1020030, 1062180, 1112760, 1168398, 1190035, 1224036, 1298220, 1360040, 1428042, 1530045, 1557864, 1669140, 1836054, 1904056, 1947330, 2040060, 2124360, 2142063, 2336796, 2380070, 2448072, 2596440, 2856084, 2920995, 3060090, 3338280, 3570105, 3672108, 3894660, 4080120, 4284126, 4590135, 4673592, 4760140, 5712168, 5841990, 6120180, 6426189, 7140210, 7344216, 7789320, 8568252, 9180270, 9520280, 10710315, 11683980, 12240360, 12852378, 14280420, 17136504, 18360540, 21420630, 23367960, 25704756, 28560840, 32130945, 36721080, 42841260, 51409512, 64261890, 85682520, 128523780, 257047560]

約数ペア:

[(1, 257047560), (2, 128523780), (3, 85682520), (4, 64261890), (5, 51409512), (6, 42841260), (7, 36721080), (8, 32130945), (9, 28560840), (10, 25704756), (11, 23367960), (12, 21420630), (14, 18360540), (15, 17136504), (18, 14280420), (20, 12852378), (21, 12240360), (22, 11683980), (24, 10710315), (27, 9520280), (28, 9180270), (30, 8568252), (33, 7789320), (35, 7344216), (36, 7140210), (40, 6426189), (42, 6120180), (44, 5841990), (45, 5712168), (54, 4760140), (55, 4673592), (56, 4590135), (60, 4284126), (63, 4080120), (66, 3894660), (70, 3672108), (72, 3570105), (77, 3338280), (84, 3060090), (88, 2920995), (90, 2856084), (99, 2596440), (105, 2448072), (108, 2380070), (110, 2336796), (120, 2142063), (121, 2124360), (126, 2040060), (132, 1947330), (135, 1904056), (140, 1836054), (154, 1669140), (165, 1557864), (168, 1530045), (180, 1428042), (189, 1360040), (198, 1298220), (210, 1224036), (216, 1190035), (220, 1168398), (231, 1112760), (242, 1062180), (252, 1020030), (264, 973665), (270, 952028), (280, 918027), (281, 914760), (297, 865480), (308, 834570), (315, 816024), (330, 778932), (360, 714021), (363, 708120), (378, 680020), (385, 667656), (396, 649110), (420, 612018), (440, 584199), (462, 556380), (484, 531090), (495, 519288), (504, 510015), (540, 476014), (562, 457380), (594, 432740), (605, 424872), (616, 417285), (630, 408012), (660, 389466), (693, 370920), (726, 354060), (756, 340010), (770, 333828), (792, 324555), (840, 306009), (843, 304920), (847, 303480), (924, 278190), (945, 272008), (968, 265545), (990, 259644), (1080, 238007), (1089, 236040), (1124, 228690), (1155, 222552), (1188, 216370), (1210, 212436), (1260, 204006), (1320, 194733), (1386, 185460), (1405, 182952), (1452, 177030), (1485, 173096), (1512, 170005), (1540, 166914), (1686, 152460), (1694, 151740), (1815, 141624), (1848, 139095), (1890, 136004), (1967, 130680), (1980, 129822), (2079, 123640), (2178, 118020), (2248, 114345), (2310, 111276), (2376, 108185), (2420, 106218), (2520, 102003), (2529, 101640), (2541, 101160), (2772, 92730), (2810, 91476), (2904, 88515), (2970, 86548), (3080, 83457), (3091, 83160), (3267, 78680), (3372, 76230), (3388, 75870), (3465, 74184), (3630, 70812), (3780, 68002), (3934, 65340), (3960, 64911), (4158, 61820), (4215, 60984), (4235, 60696), (4356, 59010), (4620, 55638), (4840, 53109), (5058, 50820), (5082, 50580), (5445, 47208), (5544, 46365), (5620, 45738), (5901, 43560), (5940, 43274), (6182, 41580), (6534, 39340), (6744, 38115), (6776, 37935), (6930, 37092), (7260, 35406), (7560, 34001), (7587, 33880), (7623, 33720), (7868, 32670), (8316, 30910), (8430, 30492), (8470, 30348), (8712, 29505), (9240, 27819), (9273, 27720), (9835, 26136), (10116, 25410), (10164, 25290), (10395, 24728), (10890, 23604), (11240, 22869), (11802, 21780), (11880, 21637), (12364, 20790), (12645, 20328), (12705, 20232), (13068, 19670), (13860, 18546), (14520, 17703), (15174, 16940), (15246, 16860), (15455, 16632), (15736, 16335)]