639174240

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{149}}^1\times {\mathrm{331}}^1$

素因数の和:507

約数の個数: 240

約数和(自身を含む): 2277752400

約数和(自身を除く): 1638578160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 96, 108, 120, 135, 144, 149, 160, 162, 180, 216, 240, 270, 288, 298, 324, 331, 360, 405, 432, 447, 480, 540, 596, 648, 662, 720, 745, 810, 864, 894, 993, 1080, 1192, 1296, 1324, 1341, 1440, 1490, 1620, 1655, 1788, 1986, 2160, 2235, 2384, 2592, 2648, 2682, 2979, 2980, 3240, 3310, 3576, 3972, 4023, 4320, 4470, 4768, 4965, 5296, 5364, 5958, 5960, 6480, 6620, 6705, 7152, 7944, 8046, 8937, 8940, 9930, 10592, 10728, 11916, 11920, 12069, 12960, 13240, 13410, 14304, 14895, 15888, 16092, 17874, 17880, 19860, 20115, 21456, 23832, 23840, 24138, 26480, 26811, 26820, 29790, 31776, 32184, 35748, 35760, 39720, 40230, 42912, 44685, 47664, 48276, 49319, 52960, 53622, 53640, 59580, 60345, 64368, 71496, 71520, 79440, 80460, 89370, 95328, 96552, 98638, 107244, 107280, 119160, 120690, 128736, 134055, 142992, 147957, 158880, 160920, 178740, 193104, 197276, 214488, 214560, 238320, 241380, 246595, 268110, 285984, 295914, 321840, 357480, 386208, 394552, 428976, 443871, 476640, 482760, 493190, 536220, 591828, 643680, 714960, 739785, 789104, 857952, 887742, 965520, 986380, 1072440, 1183656, 1331613, 1429920, 1479570, 1578208, 1775484, 1931040, 1972760, 2144880, 2219355, 2367312, 2663226, 2959140, 3550968, 3945520, 3994839, 4289760, 4438710, 4734624, 5326452, 5918280, 6658065, 7101936, 7891040, 7989678, 8877420, 10652904, 11836560, 13316130, 14203872, 15979356, 17754840, 19974195, 21305808, 23673120, 26632260, 31958712, 35509680, 39948390, 42611616, 53264520, 63917424, 71019360, 79896780, 106529040, 127834848, 159793560, 213058080, 319587120, 639174240]

約数ペア:

[(1, 639174240), (2, 319587120), (3, 213058080), (4, 159793560), (5, 127834848), (6, 106529040), (8, 79896780), (9, 71019360), (10, 63917424), (12, 53264520), (15, 42611616), (16, 39948390), (18, 35509680), (20, 31958712), (24, 26632260), (27, 23673120), (30, 21305808), (32, 19974195), (36, 17754840), (40, 15979356), (45, 14203872), (48, 13316130), (54, 11836560), (60, 10652904), (72, 8877420), (80, 7989678), (81, 7891040), (90, 7101936), (96, 6658065), (108, 5918280), (120, 5326452), (135, 4734624), (144, 4438710), (149, 4289760), (160, 3994839), (162, 3945520), (180, 3550968), (216, 2959140), (240, 2663226), (270, 2367312), (288, 2219355), (298, 2144880), (324, 1972760), (331, 1931040), (360, 1775484), (405, 1578208), (432, 1479570), (447, 1429920), (480, 1331613), (540, 1183656), (596, 1072440), (648, 986380), (662, 965520), (720, 887742), (745, 857952), (810, 789104), (864, 739785), (894, 714960), (993, 643680), (1080, 591828), (1192, 536220), (1296, 493190), (1324, 482760), (1341, 476640), (1440, 443871), (1490, 428976), (1620, 394552), (1655, 386208), (1788, 357480), (1986, 321840), (2160, 295914), (2235, 285984), (2384, 268110), (2592, 246595), (2648, 241380), (2682, 238320), (2979, 214560), (2980, 214488), (3240, 197276), (3310, 193104), (3576, 178740), (3972, 160920), (4023, 158880), (4320, 147957), (4470, 142992), (4768, 134055), (4965, 128736), (5296, 120690), (5364, 119160), (5958, 107280), (5960, 107244), (6480, 98638), (6620, 96552), (6705, 95328), (7152, 89370), (7944, 80460), (8046, 79440), (8937, 71520), (8940, 71496), (9930, 64368), (10592, 60345), (10728, 59580), (11916, 53640), (11920, 53622), (12069, 52960), (12960, 49319), (13240, 48276), (13410, 47664), (14304, 44685), (14895, 42912), (15888, 40230), (16092, 39720), (17874, 35760), (17880, 35748), (19860, 32184), (20115, 31776), (21456, 29790), (23832, 26820), (23840, 26811), (24138, 26480)]