639409440

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{617}}^1$

素因数の和:779

約数の個数: 192

約数和(自身を含む): 2152894464

約数和(自身を除く): 1513485024

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 32, 34, 40, 48, 51, 60, 68, 80, 85, 96, 102, 120, 127, 136, 160, 170, 204, 240, 254, 255, 272, 340, 381, 408, 480, 508, 510, 544, 617, 635, 680, 762, 816, 1016, 1020, 1234, 1270, 1360, 1524, 1632, 1851, 1905, 2032, 2040, 2159, 2468, 2540, 2720, 3048, 3085, 3702, 3810, 4064, 4080, 4318, 4936, 5080, 6096, 6170, 6477, 7404, 7620, 8160, 8636, 9255, 9872, 10160, 10489, 10795, 12192, 12340, 12954, 14808, 15240, 17272, 18510, 19744, 20320, 20978, 21590, 24680, 25908, 29616, 30480, 31467, 32385, 34544, 37020, 41956, 43180, 49360, 51816, 52445, 59232, 60960, 62934, 64770, 69088, 74040, 78359, 83912, 86360, 98720, 103632, 104890, 125868, 129540, 148080, 156718, 157335, 167824, 172720, 207264, 209780, 235077, 251736, 259080, 296160, 313436, 314670, 335648, 345440, 391795, 419560, 470154, 503472, 518160, 626872, 629340, 783590, 839120, 940308, 1006944, 1036320, 1175385, 1253744, 1258680, 1332103, 1567180, 1678240, 1880616, 2350770, 2507488, 2517360, 2664206, 3134360, 3761232, 3996309, 4701540, 5034720, 5328412, 6268720, 6660515, 7522464, 7992618, 9403080, 10656824, 12537440, 13321030, 15985236, 18806160, 19981545, 21313648, 26642060, 31970472, 37612320, 39963090, 42627296, 53284120, 63940944, 79926180, 106568240, 127881888, 159852360, 213136480, 319704720, 639409440]

約数ペア:

[(1, 639409440), (2, 319704720), (3, 213136480), (4, 159852360), (5, 127881888), (6, 106568240), (8, 79926180), (10, 63940944), (12, 53284120), (15, 42627296), (16, 39963090), (17, 37612320), (20, 31970472), (24, 26642060), (30, 21313648), (32, 19981545), (34, 18806160), (40, 15985236), (48, 13321030), (51, 12537440), (60, 10656824), (68, 9403080), (80, 7992618), (85, 7522464), (96, 6660515), (102, 6268720), (120, 5328412), (127, 5034720), (136, 4701540), (160, 3996309), (170, 3761232), (204, 3134360), (240, 2664206), (254, 2517360), (255, 2507488), (272, 2350770), (340, 1880616), (381, 1678240), (408, 1567180), (480, 1332103), (508, 1258680), (510, 1253744), (544, 1175385), (617, 1036320), (635, 1006944), (680, 940308), (762, 839120), (816, 783590), (1016, 629340), (1020, 626872), (1234, 518160), (1270, 503472), (1360, 470154), (1524, 419560), (1632, 391795), (1851, 345440), (1905, 335648), (2032, 314670), (2040, 313436), (2159, 296160), (2468, 259080), (2540, 251736), (2720, 235077), (3048, 209780), (3085, 207264), (3702, 172720), (3810, 167824), (4064, 157335), (4080, 156718), (4318, 148080), (4936, 129540), (5080, 125868), (6096, 104890), (6170, 103632), (6477, 98720), (7404, 86360), (7620, 83912), (8160, 78359), (8636, 74040), (9255, 69088), (9872, 64770), (10160, 62934), (10489, 60960), (10795, 59232), (12192, 52445), (12340, 51816), (12954, 49360), (14808, 43180), (15240, 41956), (17272, 37020), (18510, 34544), (19744, 32385), (20320, 31467), (20978, 30480), (21590, 29616), (24680, 25908)]