204679980

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{12227}}^1$

素因数の和:12276

約数の個数: 96

約数和(自身を含む): 657377280

約数和(自身を除く): 452697300

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 31, 36, 45, 54, 60, 62, 90, 93, 108, 124, 135, 155, 180, 186, 270, 279, 310, 372, 465, 540, 558, 620, 837, 930, 1116, 1395, 1674, 1860, 2790, 3348, 4185, 5580, 8370, 12227, 16740, 24454, 36681, 48908, 61135, 73362, 110043, 122270, 146724, 183405, 220086, 244540, 330129, 366810, 379037, 440172, 550215, 660258, 733620, 758074, 1100430, 1137111, 1320516, 1516148, 1650645, 1895185, 2200860, 2274222, 3301290, 3411333, 3790370, 4548444, 5685555, 6602580, 6822666, 7580740, 10233999, 11371110, 13645332, 17056665, 20467998, 22742220, 34113330, 40935996, 51169995, 68226660, 102339990, 204679980]

約数ペア:

[(1, 204679980), (2, 102339990), (3, 68226660), (4, 51169995), (5, 40935996), (6, 34113330), (9, 22742220), (10, 20467998), (12, 17056665), (15, 13645332), (18, 11371110), (20, 10233999), (27, 7580740), (30, 6822666), (31, 6602580), (36, 5685555), (45, 4548444), (54, 3790370), (60, 3411333), (62, 3301290), (90, 2274222), (93, 2200860), (108, 1895185), (124, 1650645), (135, 1516148), (155, 1320516), (180, 1137111), (186, 1100430), (270, 758074), (279, 733620), (310, 660258), (372, 550215), (465, 440172), (540, 379037), (558, 366810), (620, 330129), (837, 244540), (930, 220086), (1116, 183405), (1395, 146724), (1674, 122270), (1860, 110043), (2790, 73362), (3348, 61135), (4185, 48908), (5580, 36681), (8370, 24454), (12227, 16740)]