287960960

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1$

素因数の和:261

約数の個数: 256

約数和(自身を含む): 881280000

約数和(自身を除く): 593319040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 19, 20, 28, 32, 34, 35, 38, 40, 56, 64, 68, 70, 76, 80, 85, 95, 112, 119, 128, 133, 136, 140, 152, 160, 170, 190, 199, 224, 238, 266, 272, 280, 304, 320, 323, 340, 380, 398, 448, 476, 532, 544, 560, 595, 608, 640, 646, 665, 680, 760, 796, 896, 952, 995, 1064, 1088, 1120, 1190, 1216, 1292, 1330, 1360, 1393, 1520, 1592, 1615, 1904, 1990, 2128, 2176, 2240, 2261, 2380, 2432, 2584, 2660, 2720, 2786, 3040, 3184, 3230, 3383, 3781, 3808, 3980, 4256, 4480, 4522, 4760, 5168, 5320, 5440, 5572, 6080, 6368, 6460, 6766, 6965, 7562, 7616, 7960, 8512, 9044, 9520, 10336, 10640, 10880, 11144, 11305, 12160, 12736, 12920, 13532, 13930, 15124, 15232, 15920, 16915, 17024, 18088, 18905, 19040, 20672, 21280, 22288, 22610, 23681, 25472, 25840, 26467, 27064, 27860, 30248, 31840, 33830, 36176, 37810, 38080, 41344, 42560, 44576, 45220, 47362, 51680, 52934, 54128, 55720, 60496, 63680, 64277, 67660, 72352, 75620, 76160, 85120, 89152, 90440, 94724, 103360, 105868, 108256, 111440, 118405, 120992, 127360, 128554, 132335, 135320, 144704, 151240, 178304, 180880, 189448, 206720, 211736, 216512, 222880, 236810, 241984, 257108, 264670, 270640, 289408, 302480, 321385, 361760, 378896, 423472, 433024, 445760, 449939, 473620, 483968, 514216, 529340, 541280, 604960, 642770, 723520, 757792, 846944, 891520, 899878, 947240, 1028432, 1058680, 1082560, 1209920, 1285540, 1447040, 1515584, 1693888, 1799756, 1894480, 2056864, 2117360, 2165120, 2249695, 2419840, 2571080, 3031168, 3387776, 3599512, 3788960, 4113728, 4234720, 4499390, 5142160, 7199024, 7577920, 8227456, 8469440, 8998780, 10284320, 14398048, 15155840, 16938880, 17997560, 20568640, 28796096, 35995120, 41137280, 57592192, 71990240, 143980480, 287960960]

約数ペア:

[(1, 287960960), (2, 143980480), (4, 71990240), (5, 57592192), (7, 41137280), (8, 35995120), (10, 28796096), (14, 20568640), (16, 17997560), (17, 16938880), (19, 15155840), (20, 14398048), (28, 10284320), (32, 8998780), (34, 8469440), (35, 8227456), (38, 7577920), (40, 7199024), (56, 5142160), (64, 4499390), (68, 4234720), (70, 4113728), (76, 3788960), (80, 3599512), (85, 3387776), (95, 3031168), (112, 2571080), (119, 2419840), (128, 2249695), (133, 2165120), (136, 2117360), (140, 2056864), (152, 1894480), (160, 1799756), (170, 1693888), (190, 1515584), (199, 1447040), (224, 1285540), (238, 1209920), (266, 1082560), (272, 1058680), (280, 1028432), (304, 947240), (320, 899878), (323, 891520), (340, 846944), (380, 757792), (398, 723520), (448, 642770), (476, 604960), (532, 541280), (544, 529340), (560, 514216), (595, 483968), (608, 473620), (640, 449939), (646, 445760), (665, 433024), (680, 423472), (760, 378896), (796, 361760), (896, 321385), (952, 302480), (995, 289408), (1064, 270640), (1088, 264670), (1120, 257108), (1190, 241984), (1216, 236810), (1292, 222880), (1330, 216512), (1360, 211736), (1393, 206720), (1520, 189448), (1592, 180880), (1615, 178304), (1904, 151240), (1990, 144704), (2128, 135320), (2176, 132335), (2240, 128554), (2261, 127360), (2380, 120992), (2432, 118405), (2584, 111440), (2660, 108256), (2720, 105868), (2786, 103360), (3040, 94724), (3184, 90440), (3230, 89152), (3383, 85120), (3781, 76160), (3808, 75620), (3980, 72352), (4256, 67660), (4480, 64277), (4522, 63680), (4760, 60496), (5168, 55720), (5320, 54128), (5440, 52934), (5572, 51680), (6080, 47362), (6368, 45220), (6460, 44576), (6766, 42560), (6965, 41344), (7562, 38080), (7616, 37810), (7960, 36176), (8512, 33830), (9044, 31840), (9520, 30248), (10336, 27860), (10640, 27064), (10880, 26467), (11144, 25840), (11305, 25472), (12160, 23681), (12736, 22610), (12920, 22288), (13532, 21280), (13930, 20672), (15124, 19040), (15232, 18905), (15920, 18088), (16915, 17024)]