71342960

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{379}}^1$

素因数の和:586

約数の個数: 80

約数和(自身を含む): 180092640

約数和(自身を除く): 108749680

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 181, 208, 260, 362, 379, 520, 724, 758, 905, 1040, 1448, 1516, 1810, 1895, 2353, 2896, 3032, 3620, 3790, 4706, 4927, 6064, 7240, 7580, 9412, 9854, 11765, 14480, 15160, 18824, 19708, 23530, 24635, 30320, 37648, 39416, 47060, 49270, 68599, 78832, 94120, 98540, 137198, 188240, 197080, 274396, 342995, 394160, 548792, 685990, 891787, 1097584, 1371980, 1783574, 2743960, 3567148, 4458935, 5487920, 7134296, 8917870, 14268592, 17835740, 35671480, 71342960]

約数ペア:

[(1, 71342960), (2, 35671480), (4, 17835740), (5, 14268592), (8, 8917870), (10, 7134296), (13, 5487920), (16, 4458935), (20, 3567148), (26, 2743960), (40, 1783574), (52, 1371980), (65, 1097584), (80, 891787), (104, 685990), (130, 548792), (181, 394160), (208, 342995), (260, 274396), (362, 197080), (379, 188240), (520, 137198), (724, 98540), (758, 94120), (905, 78832), (1040, 68599), (1448, 49270), (1516, 47060), (1810, 39416), (1895, 37648), (2353, 30320), (2896, 24635), (3032, 23530), (3620, 19708), (3790, 18824), (4706, 15160), (4927, 14480), (6064, 11765), (7240, 9854), (7580, 9412)]