68508720

素因数分解:

$2^4\times 3^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{197}}^1$

素因数の和:249

約数の個数: 320

約数和(自身を含む): 282839040

約数和(自身を除く): 214330320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 23, 24, 27, 28, 30, 35, 36, 40, 42, 45, 46, 48, 54, 56, 60, 63, 69, 70, 72, 80, 84, 90, 92, 105, 108, 112, 115, 120, 126, 135, 138, 140, 144, 161, 168, 180, 184, 189, 197, 207, 210, 216, 230, 240, 252, 270, 276, 280, 315, 322, 336, 345, 360, 368, 378, 394, 414, 420, 432, 460, 483, 504, 540, 552, 560, 591, 621, 630, 644, 690, 720, 756, 788, 805, 828, 840, 920, 945, 966, 985, 1008, 1035, 1080, 1104, 1182, 1242, 1260, 1288, 1379, 1380, 1449, 1512, 1576, 1610, 1656, 1680, 1773, 1840, 1890, 1932, 1970, 2070, 2160, 2364, 2415, 2484, 2520, 2576, 2758, 2760, 2898, 2955, 3024, 3105, 3152, 3220, 3312, 3546, 3780, 3864, 3940, 4137, 4140, 4347, 4531, 4728, 4830, 4968, 5040, 5319, 5516, 5520, 5796, 5910, 6210, 6440, 6895, 7092, 7245, 7560, 7728, 7880, 8274, 8280, 8694, 8865, 9062, 9456, 9660, 9936, 10638, 11032, 11592, 11820, 12411, 12420, 12880, 13593, 13790, 14184, 14490, 15120, 15760, 16548, 16560, 17388, 17730, 18124, 19320, 20685, 21276, 21735, 22064, 22655, 23184, 23640, 24822, 24840, 26595, 27186, 27580, 28368, 28980, 31717, 33096, 34776, 35460, 36248, 37233, 38640, 40779, 41370, 42552, 43470, 45310, 47280, 49644, 49680, 53190, 54372, 55160, 57960, 62055, 63434, 66192, 67965, 69552, 70920, 72496, 74466, 81558, 82740, 85104, 86940, 90620, 95151, 99288, 106380, 108744, 110320, 115920, 122337, 124110, 126868, 135930, 141840, 148932, 158585, 163116, 165480, 173880, 181240, 186165, 190302, 198576, 203895, 212760, 217488, 244674, 248220, 253736, 271860, 285453, 297864, 317170, 326232, 330960, 347760, 362480, 372330, 380604, 407790, 425520, 475755, 489348, 496440, 507472, 543720, 570906, 595728, 611685, 634340, 652464, 744660, 761208, 815580, 856359, 951510, 978696, 992880, 1087440, 1141812, 1223370, 1268680, 1427265, 1489320, 1522416, 1631160, 1712718, 1903020, 1957392, 2283624, 2446740, 2537360, 2854530, 2978640, 3262320, 3425436, 3806040, 4281795, 4567248, 4893480, 5709060, 6850872, 7612080, 8563590, 9786960, 11418120, 13701744, 17127180, 22836240, 34254360, 68508720]

約数ペア:

[(1, 68508720), (2, 34254360), (3, 22836240), (4, 17127180), (5, 13701744), (6, 11418120), (7, 9786960), (8, 8563590), (9, 7612080), (10, 6850872), (12, 5709060), (14, 4893480), (15, 4567248), (16, 4281795), (18, 3806040), (20, 3425436), (21, 3262320), (23, 2978640), (24, 2854530), (27, 2537360), (28, 2446740), (30, 2283624), (35, 1957392), (36, 1903020), (40, 1712718), (42, 1631160), (45, 1522416), (46, 1489320), (48, 1427265), (54, 1268680), (56, 1223370), (60, 1141812), (63, 1087440), (69, 992880), (70, 978696), (72, 951510), (80, 856359), (84, 815580), (90, 761208), (92, 744660), (105, 652464), (108, 634340), (112, 611685), (115, 595728), (120, 570906), (126, 543720), (135, 507472), (138, 496440), (140, 489348), (144, 475755), (161, 425520), (168, 407790), (180, 380604), (184, 372330), (189, 362480), (197, 347760), (207, 330960), (210, 326232), (216, 317170), (230, 297864), (240, 285453), (252, 271860), (270, 253736), (276, 248220), (280, 244674), (315, 217488), (322, 212760), (336, 203895), (345, 198576), (360, 190302), (368, 186165), (378, 181240), (394, 173880), (414, 165480), (420, 163116), (432, 158585), (460, 148932), (483, 141840), (504, 135930), (540, 126868), (552, 124110), (560, 122337), (591, 115920), (621, 110320), (630, 108744), (644, 106380), (690, 99288), (720, 95151), (756, 90620), (788, 86940), (805, 85104), (828, 82740), (840, 81558), (920, 74466), (945, 72496), (966, 70920), (985, 69552), (1008, 67965), (1035, 66192), (1080, 63434), (1104, 62055), (1182, 57960), (1242, 55160), (1260, 54372), (1288, 53190), (1379, 49680), (1380, 49644), (1449, 47280), (1512, 45310), (1576, 43470), (1610, 42552), (1656, 41370), (1680, 40779), (1773, 38640), (1840, 37233), (1890, 36248), (1932, 35460), (1970, 34776), (2070, 33096), (2160, 31717), (2364, 28980), (2415, 28368), (2484, 27580), (2520, 27186), (2576, 26595), (2758, 24840), (2760, 24822), (2898, 23640), (2955, 23184), (3024, 22655), (3105, 22064), (3152, 21735), (3220, 21276), (3312, 20685), (3546, 19320), (3780, 18124), (3864, 17730), (3940, 17388), (4137, 16560), (4140, 16548), (4347, 15760), (4531, 15120), (4728, 14490), (4830, 14184), (4968, 13790), (5040, 13593), (5319, 12880), (5516, 12420), (5520, 12411), (5796, 11820), (5910, 11592), (6210, 11032), (6440, 10638), (6895, 9936), (7092, 9660), (7245, 9456), (7560, 9062), (7728, 8865), (7880, 8694), (8274, 8280)]