328441280

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{293}}^1$

素因数の和:454

約数の個数: 112

約数和(自身を含む): 817254144

約数和(自身を除く): 488812864

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 113, 124, 155, 160, 226, 248, 293, 310, 320, 452, 496, 565, 586, 620, 904, 992, 1130, 1172, 1240, 1465, 1808, 1984, 2260, 2344, 2480, 2930, 3503, 3616, 4520, 4688, 4960, 5860, 7006, 7232, 9040, 9083, 9376, 9920, 11720, 14012, 17515, 18080, 18166, 18752, 23440, 28024, 33109, 35030, 36160, 36332, 45415, 46880, 56048, 66218, 70060, 72664, 90830, 93760, 112096, 132436, 140120, 145328, 165545, 181660, 224192, 264872, 280240, 290656, 331090, 363320, 529744, 560480, 581312, 662180, 726640, 1026379, 1059488, 1120960, 1324360, 1453280, 2052758, 2118976, 2648720, 2906560, 4105516, 5131895, 5297440, 8211032, 10263790, 10594880, 16422064, 20527580, 32844128, 41055160, 65688256, 82110320, 164220640, 328441280]

約数ペア:

[(1, 328441280), (2, 164220640), (4, 82110320), (5, 65688256), (8, 41055160), (10, 32844128), (16, 20527580), (20, 16422064), (31, 10594880), (32, 10263790), (40, 8211032), (62, 5297440), (64, 5131895), (80, 4105516), (113, 2906560), (124, 2648720), (155, 2118976), (160, 2052758), (226, 1453280), (248, 1324360), (293, 1120960), (310, 1059488), (320, 1026379), (452, 726640), (496, 662180), (565, 581312), (586, 560480), (620, 529744), (904, 363320), (992, 331090), (1130, 290656), (1172, 280240), (1240, 264872), (1465, 224192), (1808, 181660), (1984, 165545), (2260, 145328), (2344, 140120), (2480, 132436), (2930, 112096), (3503, 93760), (3616, 90830), (4520, 72664), (4688, 70060), (4960, 66218), (5860, 56048), (7006, 46880), (7232, 45415), (9040, 36332), (9083, 36160), (9376, 35030), (9920, 33109), (11720, 28024), (14012, 23440), (17515, 18752), (18080, 18166)]