1277279360

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{541}}^1$

素因数の和:615

約数の個数: 256

約数和(自身を含む): 3821230080

約数和(自身を除く): 2543950720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 31, 32, 34, 35, 40, 56, 62, 64, 68, 70, 80, 85, 112, 119, 124, 128, 136, 140, 155, 160, 170, 217, 224, 238, 248, 272, 280, 310, 320, 340, 434, 448, 476, 496, 527, 541, 544, 560, 595, 620, 640, 680, 868, 896, 952, 992, 1054, 1082, 1085, 1088, 1120, 1190, 1240, 1360, 1736, 1904, 1984, 2108, 2164, 2170, 2176, 2240, 2380, 2480, 2635, 2705, 2720, 3472, 3689, 3787, 3808, 3968, 4216, 4328, 4340, 4480, 4760, 4960, 5270, 5410, 5440, 6944, 7378, 7574, 7616, 8432, 8656, 8680, 9197, 9520, 9920, 10540, 10820, 10880, 13888, 14756, 15148, 15232, 16771, 16864, 17312, 17360, 18394, 18445, 18935, 19040, 19840, 21080, 21640, 27776, 29512, 30296, 33542, 33728, 34624, 34720, 36788, 36890, 37870, 38080, 42160, 43280, 45985, 59024, 60592, 64379, 67084, 67456, 69248, 69440, 73576, 73780, 75740, 76160, 83855, 84320, 86560, 91970, 117397, 118048, 121184, 128758, 134168, 138880, 147152, 147560, 151480, 167710, 168640, 173120, 183940, 234794, 236096, 242368, 257516, 268336, 285107, 294304, 295120, 302960, 321895, 335420, 337280, 346240, 367880, 469588, 472192, 484736, 515032, 536672, 570214, 586985, 588608, 590240, 605920, 643790, 670840, 735760, 939176, 1030064, 1073344, 1140428, 1173970, 1177216, 1180480, 1211840, 1287580, 1341680, 1425535, 1471520, 1878352, 1995749, 2060128, 2146688, 2280856, 2347940, 2360960, 2423680, 2575160, 2683360, 2851070, 2943040, 3756704, 3991498, 4120256, 4561712, 4695880, 5150320, 5366720, 5702140, 5886080, 7513408, 7982996, 8240512, 9123424, 9391760, 9978745, 10300640, 10733440, 11404280, 15026816, 15965992, 18246848, 18783520, 19957490, 20601280, 22808560, 31931984, 36493696, 37567040, 39914980, 41202560, 45617120, 63863968, 75134080, 79829960, 91234240, 127727936, 159659920, 182468480, 255455872, 319319840, 638639680, 1277279360]

約数ペア:

[(1, 1277279360), (2, 638639680), (4, 319319840), (5, 255455872), (7, 182468480), (8, 159659920), (10, 127727936), (14, 91234240), (16, 79829960), (17, 75134080), (20, 63863968), (28, 45617120), (31, 41202560), (32, 39914980), (34, 37567040), (35, 36493696), (40, 31931984), (56, 22808560), (62, 20601280), (64, 19957490), (68, 18783520), (70, 18246848), (80, 15965992), (85, 15026816), (112, 11404280), (119, 10733440), (124, 10300640), (128, 9978745), (136, 9391760), (140, 9123424), (155, 8240512), (160, 7982996), (170, 7513408), (217, 5886080), (224, 5702140), (238, 5366720), (248, 5150320), (272, 4695880), (280, 4561712), (310, 4120256), (320, 3991498), (340, 3756704), (434, 2943040), (448, 2851070), (476, 2683360), (496, 2575160), (527, 2423680), (541, 2360960), (544, 2347940), (560, 2280856), (595, 2146688), (620, 2060128), (640, 1995749), (680, 1878352), (868, 1471520), (896, 1425535), (952, 1341680), (992, 1287580), (1054, 1211840), (1082, 1180480), (1085, 1177216), (1088, 1173970), (1120, 1140428), (1190, 1073344), (1240, 1030064), (1360, 939176), (1736, 735760), (1904, 670840), (1984, 643790), (2108, 605920), (2164, 590240), (2170, 588608), (2176, 586985), (2240, 570214), (2380, 536672), (2480, 515032), (2635, 484736), (2705, 472192), (2720, 469588), (3472, 367880), (3689, 346240), (3787, 337280), (3808, 335420), (3968, 321895), (4216, 302960), (4328, 295120), (4340, 294304), (4480, 285107), (4760, 268336), (4960, 257516), (5270, 242368), (5410, 236096), (5440, 234794), (6944, 183940), (7378, 173120), (7574, 168640), (7616, 167710), (8432, 151480), (8656, 147560), (8680, 147152), (9197, 138880), (9520, 134168), (9920, 128758), (10540, 121184), (10820, 118048), (10880, 117397), (13888, 91970), (14756, 86560), (15148, 84320), (15232, 83855), (16771, 76160), (16864, 75740), (17312, 73780), (17360, 73576), (18394, 69440), (18445, 69248), (18935, 67456), (19040, 67084), (19840, 64379), (21080, 60592), (21640, 59024), (27776, 45985), (29512, 43280), (30296, 42160), (33542, 38080), (33728, 37870), (34624, 36890), (34720, 36788)]