256316480

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1$

素因数の和:221

約数の個数: 224

約数和(自身を含む): 758439936

約数和(自身を除く): 502123456

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 32, 34, 35, 40, 53, 56, 64, 68, 70, 80, 85, 106, 112, 119, 127, 136, 140, 160, 170, 212, 224, 238, 254, 265, 272, 280, 320, 340, 371, 424, 448, 476, 508, 530, 544, 560, 595, 635, 680, 742, 848, 889, 901, 952, 1016, 1060, 1088, 1120, 1190, 1270, 1360, 1484, 1696, 1778, 1802, 1855, 1904, 2032, 2120, 2159, 2240, 2380, 2540, 2720, 2968, 3392, 3556, 3604, 3710, 3808, 4064, 4240, 4318, 4445, 4505, 4760, 5080, 5440, 5936, 6307, 6731, 7112, 7208, 7420, 7616, 8128, 8480, 8636, 8890, 9010, 9520, 10160, 10795, 11872, 12614, 13462, 14224, 14416, 14840, 15113, 16960, 17272, 17780, 18020, 19040, 20320, 21590, 23744, 25228, 26924, 28448, 28832, 29680, 30226, 31535, 33655, 34544, 35560, 36040, 38080, 40640, 43180, 47117, 50456, 53848, 56896, 57664, 59360, 60452, 63070, 67310, 69088, 71120, 72080, 75565, 86360, 94234, 100912, 107696, 114427, 118720, 120904, 126140, 134620, 138176, 142240, 144160, 151130, 172720, 188468, 201824, 215392, 228854, 235585, 241808, 252280, 269240, 284480, 288320, 302260, 345440, 376936, 403648, 430784, 457708, 471170, 483616, 504560, 538480, 572135, 604520, 690880, 753872, 800989, 915416, 942340, 967232, 1009120, 1076960, 1144270, 1209040, 1507744, 1601978, 1830832, 1884680, 2018240, 2153920, 2288540, 2418080, 3015488, 3203956, 3661664, 3769360, 4004945, 4577080, 4836160, 6407912, 7323328, 7538720, 8009890, 9154160, 12815824, 15077440, 16019780, 18308320, 25631648, 32039560, 36616640, 51263296, 64079120, 128158240, 256316480]

約数ペア:

[(1, 256316480), (2, 128158240), (4, 64079120), (5, 51263296), (7, 36616640), (8, 32039560), (10, 25631648), (14, 18308320), (16, 16019780), (17, 15077440), (20, 12815824), (28, 9154160), (32, 8009890), (34, 7538720), (35, 7323328), (40, 6407912), (53, 4836160), (56, 4577080), (64, 4004945), (68, 3769360), (70, 3661664), (80, 3203956), (85, 3015488), (106, 2418080), (112, 2288540), (119, 2153920), (127, 2018240), (136, 1884680), (140, 1830832), (160, 1601978), (170, 1507744), (212, 1209040), (224, 1144270), (238, 1076960), (254, 1009120), (265, 967232), (272, 942340), (280, 915416), (320, 800989), (340, 753872), (371, 690880), (424, 604520), (448, 572135), (476, 538480), (508, 504560), (530, 483616), (544, 471170), (560, 457708), (595, 430784), (635, 403648), (680, 376936), (742, 345440), (848, 302260), (889, 288320), (901, 284480), (952, 269240), (1016, 252280), (1060, 241808), (1088, 235585), (1120, 228854), (1190, 215392), (1270, 201824), (1360, 188468), (1484, 172720), (1696, 151130), (1778, 144160), (1802, 142240), (1855, 138176), (1904, 134620), (2032, 126140), (2120, 120904), (2159, 118720), (2240, 114427), (2380, 107696), (2540, 100912), (2720, 94234), (2968, 86360), (3392, 75565), (3556, 72080), (3604, 71120), (3710, 69088), (3808, 67310), (4064, 63070), (4240, 60452), (4318, 59360), (4445, 57664), (4505, 56896), (4760, 53848), (5080, 50456), (5440, 47117), (5936, 43180), (6307, 40640), (6731, 38080), (7112, 36040), (7208, 35560), (7420, 34544), (7616, 33655), (8128, 31535), (8480, 30226), (8636, 29680), (8890, 28832), (9010, 28448), (9520, 26924), (10160, 25228), (10795, 23744), (11872, 21590), (12614, 20320), (13462, 19040), (14224, 18020), (14416, 17780), (14840, 17272), (15113, 16960)]