131738220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{23609}}^1$

素因数の和:23655

約数の個数: 72

約数和(自身を含む): 412513920

約数和(自身を除く): 280775700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 180, 186, 279, 310, 372, 465, 558, 620, 930, 1116, 1395, 1860, 2790, 5580, 23609, 47218, 70827, 94436, 118045, 141654, 212481, 236090, 283308, 354135, 424962, 472180, 708270, 731879, 849924, 1062405, 1416540, 1463758, 2124810, 2195637, 2927516, 3659395, 4249620, 4391274, 6586911, 7318790, 8782548, 10978185, 13173822, 14637580, 21956370, 26347644, 32934555, 43912740, 65869110, 131738220]

約数ペア:

[(1, 131738220), (2, 65869110), (3, 43912740), (4, 32934555), (5, 26347644), (6, 21956370), (9, 14637580), (10, 13173822), (12, 10978185), (15, 8782548), (18, 7318790), (20, 6586911), (30, 4391274), (31, 4249620), (36, 3659395), (45, 2927516), (60, 2195637), (62, 2124810), (90, 1463758), (93, 1416540), (124, 1062405), (155, 849924), (180, 731879), (186, 708270), (279, 472180), (310, 424962), (372, 354135), (465, 283308), (558, 236090), (620, 212481), (930, 141654), (1116, 118045), (1395, 94436), (1860, 70827), (2790, 47218), (5580, 23609)]