77511780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{479}}^1$

素因数の和:554

約数の個数: 144

約数和(自身を含む): 251596800

約数和(自身を除く): 174085020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 31, 36, 45, 58, 60, 62, 87, 90, 93, 116, 124, 145, 155, 174, 180, 186, 261, 279, 290, 310, 348, 372, 435, 465, 479, 522, 558, 580, 620, 870, 899, 930, 958, 1044, 1116, 1305, 1395, 1437, 1740, 1798, 1860, 1916, 2395, 2610, 2697, 2790, 2874, 3596, 4311, 4495, 4790, 5220, 5394, 5580, 5748, 7185, 8091, 8622, 8990, 9580, 10788, 13485, 13891, 14370, 14849, 16182, 17244, 17980, 21555, 26970, 27782, 28740, 29698, 32364, 40455, 41673, 43110, 44547, 53940, 55564, 59396, 69455, 74245, 80910, 83346, 86220, 89094, 125019, 133641, 138910, 148490, 161820, 166692, 178188, 208365, 222735, 250038, 267282, 277820, 296980, 416730, 430621, 445470, 500076, 534564, 625095, 668205, 833460, 861242, 890940, 1250190, 1291863, 1336410, 1722484, 2153105, 2500380, 2583726, 2672820, 3875589, 4306210, 5167452, 6459315, 7751178, 8612420, 12918630, 15502356, 19377945, 25837260, 38755890, 77511780]

約数ペア:

[(1, 77511780), (2, 38755890), (3, 25837260), (4, 19377945), (5, 15502356), (6, 12918630), (9, 8612420), (10, 7751178), (12, 6459315), (15, 5167452), (18, 4306210), (20, 3875589), (29, 2672820), (30, 2583726), (31, 2500380), (36, 2153105), (45, 1722484), (58, 1336410), (60, 1291863), (62, 1250190), (87, 890940), (90, 861242), (93, 833460), (116, 668205), (124, 625095), (145, 534564), (155, 500076), (174, 445470), (180, 430621), (186, 416730), (261, 296980), (279, 277820), (290, 267282), (310, 250038), (348, 222735), (372, 208365), (435, 178188), (465, 166692), (479, 161820), (522, 148490), (558, 138910), (580, 133641), (620, 125019), (870, 89094), (899, 86220), (930, 83346), (958, 80910), (1044, 74245), (1116, 69455), (1305, 59396), (1395, 55564), (1437, 53940), (1740, 44547), (1798, 43110), (1860, 41673), (1916, 40455), (2395, 32364), (2610, 29698), (2697, 28740), (2790, 27782), (2874, 26970), (3596, 21555), (4311, 17980), (4495, 17244), (4790, 16182), (5220, 14849), (5394, 14370), (5580, 13891), (5748, 13485), (7185, 10788), (8091, 9580), (8622, 8990)]