255008880

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2663}}^1$

素因数の和:2708

約数の個数: 240

約数和(自身を含む): 1030648320

約数和(自身を除く): 775639440

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 19, 20, 21, 24, 28, 30, 35, 36, 38, 40, 42, 45, 48, 56, 57, 60, 63, 70, 72, 76, 80, 84, 90, 95, 105, 112, 114, 120, 126, 133, 140, 144, 152, 168, 171, 180, 190, 210, 228, 240, 252, 266, 280, 285, 304, 315, 336, 342, 360, 380, 399, 420, 456, 504, 532, 560, 570, 630, 665, 684, 720, 760, 798, 840, 855, 912, 1008, 1064, 1140, 1197, 1260, 1330, 1368, 1520, 1596, 1680, 1710, 1995, 2128, 2280, 2394, 2520, 2660, 2663, 2736, 3192, 3420, 3990, 4560, 4788, 5040, 5320, 5326, 5985, 6384, 6840, 7980, 7989, 9576, 10640, 10652, 11970, 13315, 13680, 15960, 15978, 18641, 19152, 21304, 23940, 23967, 26630, 31920, 31956, 37282, 39945, 42608, 47880, 47934, 50597, 53260, 55923, 63912, 74564, 79890, 93205, 95760, 95868, 101194, 106520, 111846, 119835, 127824, 149128, 151791, 159780, 167769, 186410, 191736, 202388, 213040, 223692, 239670, 252985, 279615, 298256, 303582, 319560, 335538, 354179, 372820, 383472, 404776, 447384, 455373, 479340, 505970, 559230, 607164, 639120, 671076, 708358, 745640, 758955, 809552, 838845, 894768, 910746, 958680, 1011940, 1062537, 1118460, 1214328, 1342152, 1416716, 1491280, 1517910, 1677690, 1770895, 1821492, 1917360, 2023880, 2125074, 2236920, 2276865, 2428656, 2684304, 2833432, 3035820, 3187611, 3355380, 3541790, 3642984, 4047760, 4250148, 4473840, 4553730, 5312685, 5666864, 6071640, 6375222, 6710760, 7083580, 7285968, 8500296, 9107460, 10625370, 12143280, 12750444, 13421520, 14167160, 15938055, 17000592, 18214920, 21250740, 25500888, 28334320, 31876110, 36429840, 42501480, 51001776, 63752220, 85002960, 127504440, 255008880]

約数ペア:

[(1, 255008880), (2, 127504440), (3, 85002960), (4, 63752220), (5, 51001776), (6, 42501480), (7, 36429840), (8, 31876110), (9, 28334320), (10, 25500888), (12, 21250740), (14, 18214920), (15, 17000592), (16, 15938055), (18, 14167160), (19, 13421520), (20, 12750444), (21, 12143280), (24, 10625370), (28, 9107460), (30, 8500296), (35, 7285968), (36, 7083580), (38, 6710760), (40, 6375222), (42, 6071640), (45, 5666864), (48, 5312685), (56, 4553730), (57, 4473840), (60, 4250148), (63, 4047760), (70, 3642984), (72, 3541790), (76, 3355380), (80, 3187611), (84, 3035820), (90, 2833432), (95, 2684304), (105, 2428656), (112, 2276865), (114, 2236920), (120, 2125074), (126, 2023880), (133, 1917360), (140, 1821492), (144, 1770895), (152, 1677690), (168, 1517910), (171, 1491280), (180, 1416716), (190, 1342152), (210, 1214328), (228, 1118460), (240, 1062537), (252, 1011940), (266, 958680), (280, 910746), (285, 894768), (304, 838845), (315, 809552), (336, 758955), (342, 745640), (360, 708358), (380, 671076), (399, 639120), (420, 607164), (456, 559230), (504, 505970), (532, 479340), (560, 455373), (570, 447384), (630, 404776), (665, 383472), (684, 372820), (720, 354179), (760, 335538), (798, 319560), (840, 303582), (855, 298256), (912, 279615), (1008, 252985), (1064, 239670), (1140, 223692), (1197, 213040), (1260, 202388), (1330, 191736), (1368, 186410), (1520, 167769), (1596, 159780), (1680, 151791), (1710, 149128), (1995, 127824), (2128, 119835), (2280, 111846), (2394, 106520), (2520, 101194), (2660, 95868), (2663, 95760), (2736, 93205), (3192, 79890), (3420, 74564), (3990, 63912), (4560, 55923), (4788, 53260), (5040, 50597), (5320, 47934), (5326, 47880), (5985, 42608), (6384, 39945), (6840, 37282), (7980, 31956), (7989, 31920), (9576, 26630), (10640, 23967), (10652, 23940), (11970, 21304), (13315, 19152), (13680, 18641), (15960, 15978)]