256450464

素因数分解:

$2^5\times 3^2\times {\mathrm{53}}^2\times {\mathrm{317}}^1$

素因数の和:439

約数の個数: 108

約数和(自身を含む): 745645446

約数和(自身を除く): 489194982

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 53, 72, 96, 106, 144, 159, 212, 288, 317, 318, 424, 477, 634, 636, 848, 951, 954, 1268, 1272, 1696, 1902, 1908, 2536, 2544, 2809, 2853, 3804, 3816, 5072, 5088, 5618, 5706, 7608, 7632, 8427, 10144, 11236, 11412, 15216, 15264, 16801, 16854, 22472, 22824, 25281, 30432, 33602, 33708, 44944, 45648, 50403, 50562, 67204, 67416, 89888, 91296, 100806, 101124, 134408, 134832, 151209, 201612, 202248, 268816, 269664, 302418, 403224, 404496, 537632, 604836, 806448, 808992, 890453, 1209672, 1612896, 1780906, 2419344, 2671359, 3561812, 4838688, 5342718, 7123624, 8014077, 10685436, 14247248, 16028154, 21370872, 28494496, 32056308, 42741744, 64112616, 85483488, 128225232, 256450464]

約数ペア:

[(1, 256450464), (2, 128225232), (3, 85483488), (4, 64112616), (6, 42741744), (8, 32056308), (9, 28494496), (12, 21370872), (16, 16028154), (18, 14247248), (24, 10685436), (32, 8014077), (36, 7123624), (48, 5342718), (53, 4838688), (72, 3561812), (96, 2671359), (106, 2419344), (144, 1780906), (159, 1612896), (212, 1209672), (288, 890453), (317, 808992), (318, 806448), (424, 604836), (477, 537632), (634, 404496), (636, 403224), (848, 302418), (951, 269664), (954, 268816), (1268, 202248), (1272, 201612), (1696, 151209), (1902, 134832), (1908, 134408), (2536, 101124), (2544, 100806), (2809, 91296), (2853, 89888), (3804, 67416), (3816, 67204), (5072, 50562), (5088, 50403), (5618, 45648), (5706, 44944), (7608, 33708), (7632, 33602), (8427, 30432), (10144, 25281), (11236, 22824), (11412, 22472), (15216, 16854), (15264, 16801)]