261760380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{21491}}^1$

素因数の和:21539

約数の個数: 96

約数和(自身を含む): 866557440

約数和(自身を除く): 604797060

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 29, 30, 35, 42, 58, 60, 70, 84, 87, 105, 116, 140, 145, 174, 203, 210, 290, 348, 406, 420, 435, 580, 609, 812, 870, 1015, 1218, 1740, 2030, 2436, 3045, 4060, 6090, 12180, 21491, 42982, 64473, 85964, 107455, 128946, 150437, 214910, 257892, 300874, 322365, 429820, 451311, 601748, 623239, 644730, 752185, 902622, 1246478, 1289460, 1504370, 1805244, 1869717, 2256555, 2492956, 3008740, 3116195, 3739434, 4362673, 4513110, 6232390, 7478868, 8725346, 9026220, 9348585, 12464780, 13088019, 17450692, 18697170, 21813365, 26176038, 37394340, 43626730, 52352076, 65440095, 87253460, 130880190, 261760380]

約数ペア:

[(1, 261760380), (2, 130880190), (3, 87253460), (4, 65440095), (5, 52352076), (6, 43626730), (7, 37394340), (10, 26176038), (12, 21813365), (14, 18697170), (15, 17450692), (20, 13088019), (21, 12464780), (28, 9348585), (29, 9026220), (30, 8725346), (35, 7478868), (42, 6232390), (58, 4513110), (60, 4362673), (70, 3739434), (84, 3116195), (87, 3008740), (105, 2492956), (116, 2256555), (140, 1869717), (145, 1805244), (174, 1504370), (203, 1289460), (210, 1246478), (290, 902622), (348, 752185), (406, 644730), (420, 623239), (435, 601748), (580, 451311), (609, 429820), (812, 322365), (870, 300874), (1015, 257892), (1218, 214910), (1740, 150437), (2030, 128946), (2436, 107455), (3045, 85964), (4060, 64473), (6090, 42982), (12180, 21491)]