257706720

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{251}}^1$

素因数の和:326

約数の個数: 288

約数和(自身を含む): 951035904

約数和(自身を除く): 693329184

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 30, 31, 32, 36, 40, 45, 46, 48, 60, 62, 69, 72, 80, 90, 92, 93, 96, 115, 120, 124, 138, 144, 155, 160, 180, 184, 186, 207, 230, 240, 248, 251, 276, 279, 288, 310, 345, 360, 368, 372, 414, 460, 465, 480, 496, 502, 552, 558, 620, 690, 713, 720, 736, 744, 753, 828, 920, 930, 992, 1004, 1035, 1104, 1116, 1240, 1255, 1380, 1395, 1426, 1440, 1488, 1506, 1656, 1840, 1860, 2008, 2070, 2139, 2208, 2232, 2259, 2480, 2510, 2760, 2790, 2852, 2976, 3012, 3312, 3565, 3680, 3720, 3765, 4016, 4140, 4278, 4464, 4518, 4960, 5020, 5520, 5580, 5704, 5773, 6024, 6417, 6624, 7130, 7440, 7530, 7781, 8032, 8280, 8556, 8928, 9036, 10040, 10695, 11040, 11160, 11295, 11408, 11546, 12048, 12834, 14260, 14880, 15060, 15562, 16560, 17112, 17319, 18072, 20080, 21390, 22320, 22590, 22816, 23092, 23343, 24096, 25668, 28520, 28865, 30120, 31124, 32085, 33120, 34224, 34638, 36144, 38905, 40160, 42780, 44640, 45180, 46184, 46686, 51336, 51957, 57040, 57730, 60240, 62248, 64170, 68448, 69276, 70029, 72288, 77810, 85560, 86595, 90360, 92368, 93372, 102672, 103914, 114080, 115460, 116715, 120480, 124496, 128340, 138552, 140058, 155620, 171120, 173190, 178963, 180720, 184736, 186744, 205344, 207828, 230920, 233430, 248992, 256680, 259785, 277104, 280116, 311240, 342240, 346380, 350145, 357926, 361440, 373488, 415656, 461840, 466860, 513360, 519570, 536889, 554208, 560232, 622480, 692760, 700290, 715852, 746976, 831312, 894815, 923680, 933720, 1026720, 1039140, 1073778, 1120464, 1244960, 1385520, 1400580, 1431704, 1610667, 1662624, 1789630, 1867440, 2078280, 2147556, 2240928, 2684445, 2771040, 2801160, 2863408, 3221334, 3579260, 3734880, 4156560, 4295112, 5368890, 5602320, 5726816, 6442668, 7158520, 8053335, 8313120, 8590224, 10737780, 11204640, 12885336, 14317040, 16106670, 17180448, 21475560, 25770672, 28634080, 32213340, 42951120, 51541344, 64426680, 85902240, 128853360, 257706720]

約数ペア:

[(1, 257706720), (2, 128853360), (3, 85902240), (4, 64426680), (5, 51541344), (6, 42951120), (8, 32213340), (9, 28634080), (10, 25770672), (12, 21475560), (15, 17180448), (16, 16106670), (18, 14317040), (20, 12885336), (23, 11204640), (24, 10737780), (30, 8590224), (31, 8313120), (32, 8053335), (36, 7158520), (40, 6442668), (45, 5726816), (46, 5602320), (48, 5368890), (60, 4295112), (62, 4156560), (69, 3734880), (72, 3579260), (80, 3221334), (90, 2863408), (92, 2801160), (93, 2771040), (96, 2684445), (115, 2240928), (120, 2147556), (124, 2078280), (138, 1867440), (144, 1789630), (155, 1662624), (160, 1610667), (180, 1431704), (184, 1400580), (186, 1385520), (207, 1244960), (230, 1120464), (240, 1073778), (248, 1039140), (251, 1026720), (276, 933720), (279, 923680), (288, 894815), (310, 831312), (345, 746976), (360, 715852), (368, 700290), (372, 692760), (414, 622480), (460, 560232), (465, 554208), (480, 536889), (496, 519570), (502, 513360), (552, 466860), (558, 461840), (620, 415656), (690, 373488), (713, 361440), (720, 357926), (736, 350145), (744, 346380), (753, 342240), (828, 311240), (920, 280116), (930, 277104), (992, 259785), (1004, 256680), (1035, 248992), (1104, 233430), (1116, 230920), (1240, 207828), (1255, 205344), (1380, 186744), (1395, 184736), (1426, 180720), (1440, 178963), (1488, 173190), (1506, 171120), (1656, 155620), (1840, 140058), (1860, 138552), (2008, 128340), (2070, 124496), (2139, 120480), (2208, 116715), (2232, 115460), (2259, 114080), (2480, 103914), (2510, 102672), (2760, 93372), (2790, 92368), (2852, 90360), (2976, 86595), (3012, 85560), (3312, 77810), (3565, 72288), (3680, 70029), (3720, 69276), (3765, 68448), (4016, 64170), (4140, 62248), (4278, 60240), (4464, 57730), (4518, 57040), (4960, 51957), (5020, 51336), (5520, 46686), (5580, 46184), (5704, 45180), (5773, 44640), (6024, 42780), (6417, 40160), (6624, 38905), (7130, 36144), (7440, 34638), (7530, 34224), (7781, 33120), (8032, 32085), (8280, 31124), (8556, 30120), (8928, 28865), (9036, 28520), (10040, 25668), (10695, 24096), (11040, 23343), (11160, 23092), (11295, 22816), (11408, 22590), (11546, 22320), (12048, 21390), (12834, 20080), (14260, 18072), (14880, 17319), (15060, 17112), (15562, 16560)]