1639537920

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{4591}}^1$

素因数の和:4649

約数の個数: 216

約数和(自身を含む): 5856893952

約数和(自身を除く): 4217356032

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 32, 36, 40, 45, 48, 60, 62, 64, 72, 80, 90, 93, 96, 120, 124, 128, 144, 155, 160, 180, 186, 192, 240, 248, 256, 279, 288, 310, 320, 360, 372, 384, 465, 480, 496, 558, 576, 620, 640, 720, 744, 768, 930, 960, 992, 1116, 1152, 1240, 1280, 1395, 1440, 1488, 1860, 1920, 1984, 2232, 2304, 2480, 2790, 2880, 2976, 3720, 3840, 3968, 4464, 4591, 4960, 5580, 5760, 5952, 7440, 7936, 8928, 9182, 9920, 11160, 11520, 11904, 13773, 14880, 17856, 18364, 19840, 22320, 22955, 23808, 27546, 29760, 35712, 36728, 39680, 41319, 44640, 45910, 55092, 59520, 68865, 71424, 73456, 82638, 89280, 91820, 110184, 119040, 137730, 142321, 146912, 165276, 178560, 183640, 206595, 220368, 275460, 284642, 293824, 330552, 357120, 367280, 413190, 426963, 440736, 550920, 569284, 587648, 661104, 711605, 734560, 826380, 853926, 881472, 1101840, 1138568, 1175296, 1280889, 1322208, 1423210, 1469120, 1652760, 1707852, 1762944, 2134815, 2203680, 2277136, 2561778, 2644416, 2846420, 2938240, 3305520, 3415704, 3525888, 4269630, 4407360, 4554272, 5123556, 5288832, 5692840, 5876480, 6404445, 6611040, 6831408, 8539260, 8814720, 9108544, 10247112, 10577664, 11385680, 12808890, 13222080, 13662816, 17078520, 17629440, 18217088, 20494224, 22771360, 25617780, 26444160, 27325632, 34157040, 36434176, 40988448, 45542720, 51235560, 52888320, 54651264, 68314080, 81976896, 91085440, 102471120, 109302528, 136628160, 163953792, 182170880, 204942240, 273256320, 327907584, 409884480, 546512640, 819768960, 1639537920]

約数ペア:

[(1, 1639537920), (2, 819768960), (3, 546512640), (4, 409884480), (5, 327907584), (6, 273256320), (8, 204942240), (9, 182170880), (10, 163953792), (12, 136628160), (15, 109302528), (16, 102471120), (18, 91085440), (20, 81976896), (24, 68314080), (30, 54651264), (31, 52888320), (32, 51235560), (36, 45542720), (40, 40988448), (45, 36434176), (48, 34157040), (60, 27325632), (62, 26444160), (64, 25617780), (72, 22771360), (80, 20494224), (90, 18217088), (93, 17629440), (96, 17078520), (120, 13662816), (124, 13222080), (128, 12808890), (144, 11385680), (155, 10577664), (160, 10247112), (180, 9108544), (186, 8814720), (192, 8539260), (240, 6831408), (248, 6611040), (256, 6404445), (279, 5876480), (288, 5692840), (310, 5288832), (320, 5123556), (360, 4554272), (372, 4407360), (384, 4269630), (465, 3525888), (480, 3415704), (496, 3305520), (558, 2938240), (576, 2846420), (620, 2644416), (640, 2561778), (720, 2277136), (744, 2203680), (768, 2134815), (930, 1762944), (960, 1707852), (992, 1652760), (1116, 1469120), (1152, 1423210), (1240, 1322208), (1280, 1280889), (1395, 1175296), (1440, 1138568), (1488, 1101840), (1860, 881472), (1920, 853926), (1984, 826380), (2232, 734560), (2304, 711605), (2480, 661104), (2790, 587648), (2880, 569284), (2976, 550920), (3720, 440736), (3840, 426963), (3968, 413190), (4464, 367280), (4591, 357120), (4960, 330552), (5580, 293824), (5760, 284642), (5952, 275460), (7440, 220368), (7936, 206595), (8928, 183640), (9182, 178560), (9920, 165276), (11160, 146912), (11520, 142321), (11904, 137730), (13773, 119040), (14880, 110184), (17856, 91820), (18364, 89280), (19840, 82638), (22320, 73456), (22955, 71424), (23808, 68865), (27546, 59520), (29760, 55092), (35712, 45910), (36728, 44640), (39680, 41319)]