205871580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{39439}}^1$

素因数の和:39483

約数の個数: 72

約数和(自身を含む): 646027200

約数和(自身を除く): 440155620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 45, 58, 60, 87, 90, 116, 145, 174, 180, 261, 290, 348, 435, 522, 580, 870, 1044, 1305, 1740, 2610, 5220, 39439, 78878, 118317, 157756, 197195, 236634, 354951, 394390, 473268, 591585, 709902, 788780, 1143731, 1183170, 1419804, 1774755, 2287462, 2366340, 3431193, 3549510, 4574924, 5718655, 6862386, 7099020, 10293579, 11437310, 13724772, 17155965, 20587158, 22874620, 34311930, 41174316, 51467895, 68623860, 102935790, 205871580]

約数ペア:

[(1, 205871580), (2, 102935790), (3, 68623860), (4, 51467895), (5, 41174316), (6, 34311930), (9, 22874620), (10, 20587158), (12, 17155965), (15, 13724772), (18, 11437310), (20, 10293579), (29, 7099020), (30, 6862386), (36, 5718655), (45, 4574924), (58, 3549510), (60, 3431193), (87, 2366340), (90, 2287462), (116, 1774755), (145, 1419804), (174, 1183170), (180, 1143731), (261, 788780), (290, 709902), (348, 591585), (435, 473268), (522, 394390), (580, 354951), (870, 236634), (1044, 197195), (1305, 157756), (1740, 118317), (2610, 78878), (5220, 39439)]