1340226720

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{4289}}^1$

素因数の和:4348

約数の個数: 288

約数和(自身を含む): 5396751360

約数和(自身を除く): 4056524640

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 31, 32, 35, 36, 40, 42, 45, 48, 56, 60, 62, 63, 70, 72, 80, 84, 90, 93, 96, 105, 112, 120, 124, 126, 140, 144, 155, 160, 168, 180, 186, 210, 217, 224, 240, 248, 252, 279, 280, 288, 310, 315, 336, 360, 372, 420, 434, 465, 480, 496, 504, 558, 560, 620, 630, 651, 672, 720, 744, 840, 868, 930, 992, 1008, 1085, 1116, 1120, 1240, 1260, 1302, 1395, 1440, 1488, 1680, 1736, 1860, 1953, 2016, 2170, 2232, 2480, 2520, 2604, 2790, 2976, 3255, 3360, 3472, 3720, 3906, 4289, 4340, 4464, 4960, 5040, 5208, 5580, 6510, 6944, 7440, 7812, 8578, 8680, 8928, 9765, 10080, 10416, 11160, 12867, 13020, 14880, 15624, 17156, 17360, 19530, 20832, 21445, 22320, 25734, 26040, 30023, 31248, 34312, 34720, 38601, 39060, 42890, 44640, 51468, 52080, 60046, 62496, 64335, 68624, 77202, 78120, 85780, 90069, 102936, 104160, 120092, 128670, 132959, 137248, 150115, 154404, 156240, 171560, 180138, 193005, 205872, 240184, 257340, 265918, 270207, 300230, 308808, 312480, 343120, 360276, 386010, 398877, 411744, 450345, 480368, 514680, 531836, 540414, 600460, 617616, 664795, 686240, 720552, 772020, 797754, 900690, 930713, 960736, 1029360, 1063672, 1080828, 1196631, 1200920, 1235232, 1329590, 1351035, 1441104, 1544040, 1595508, 1801380, 1861426, 1994385, 2058720, 2127344, 2161656, 2393262, 2401840, 2659180, 2702070, 2792139, 2882208, 3088080, 3191016, 3602760, 3722852, 3988770, 4254688, 4323312, 4653565, 4786524, 4803680, 5318360, 5404140, 5584278, 5983155, 6176160, 6382032, 7205520, 7445704, 7977540, 8376417, 8646624, 9307130, 9573048, 10636720, 10808280, 11168556, 11966310, 12764064, 13960695, 14411040, 14891408, 15955080, 16752834, 18614260, 19146096, 21273440, 21616560, 22337112, 23932620, 27921390, 29782816, 31910160, 33505668, 37228520, 38292192, 41882085, 43233120, 44674224, 47865240, 55842780, 63820320, 67011336, 74457040, 83764170, 89348448, 95730480, 111685560, 134022672, 148914080, 167528340, 191460960, 223371120, 268045344, 335056680, 446742240, 670113360, 1340226720]

約数ペア:

[(1, 1340226720), (2, 670113360), (3, 446742240), (4, 335056680), (5, 268045344), (6, 223371120), (7, 191460960), (8, 167528340), (9, 148914080), (10, 134022672), (12, 111685560), (14, 95730480), (15, 89348448), (16, 83764170), (18, 74457040), (20, 67011336), (21, 63820320), (24, 55842780), (28, 47865240), (30, 44674224), (31, 43233120), (32, 41882085), (35, 38292192), (36, 37228520), (40, 33505668), (42, 31910160), (45, 29782816), (48, 27921390), (56, 23932620), (60, 22337112), (62, 21616560), (63, 21273440), (70, 19146096), (72, 18614260), (80, 16752834), (84, 15955080), (90, 14891408), (93, 14411040), (96, 13960695), (105, 12764064), (112, 11966310), (120, 11168556), (124, 10808280), (126, 10636720), (140, 9573048), (144, 9307130), (155, 8646624), (160, 8376417), (168, 7977540), (180, 7445704), (186, 7205520), (210, 6382032), (217, 6176160), (224, 5983155), (240, 5584278), (248, 5404140), (252, 5318360), (279, 4803680), (280, 4786524), (288, 4653565), (310, 4323312), (315, 4254688), (336, 3988770), (360, 3722852), (372, 3602760), (420, 3191016), (434, 3088080), (465, 2882208), (480, 2792139), (496, 2702070), (504, 2659180), (558, 2401840), (560, 2393262), (620, 2161656), (630, 2127344), (651, 2058720), (672, 1994385), (720, 1861426), (744, 1801380), (840, 1595508), (868, 1544040), (930, 1441104), (992, 1351035), (1008, 1329590), (1085, 1235232), (1116, 1200920), (1120, 1196631), (1240, 1080828), (1260, 1063672), (1302, 1029360), (1395, 960736), (1440, 930713), (1488, 900690), (1680, 797754), (1736, 772020), (1860, 720552), (1953, 686240), (2016, 664795), (2170, 617616), (2232, 600460), (2480, 540414), (2520, 531836), (2604, 514680), (2790, 480368), (2976, 450345), (3255, 411744), (3360, 398877), (3472, 386010), (3720, 360276), (3906, 343120), (4289, 312480), (4340, 308808), (4464, 300230), (4960, 270207), (5040, 265918), (5208, 257340), (5580, 240184), (6510, 205872), (6944, 193005), (7440, 180138), (7812, 171560), (8578, 156240), (8680, 154404), (8928, 150115), (9765, 137248), (10080, 132959), (10416, 128670), (11160, 120092), (12867, 104160), (13020, 102936), (14880, 90069), (15624, 85780), (17156, 78120), (17360, 77202), (19530, 68624), (20832, 64335), (21445, 62496), (22320, 60046), (25734, 52080), (26040, 51468), (30023, 44640), (31248, 42890), (34312, 39060), (34720, 38601)]