131672340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{10303}}^1$

素因数の和:10389

約数の個数: 72

約数和(自身を含む): 405070848

約数和(自身を除く): 273398508

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 71, 90, 142, 180, 213, 284, 355, 426, 639, 710, 852, 1065, 1278, 1420, 2130, 2556, 3195, 4260, 6390, 10303, 12780, 20606, 30909, 41212, 51515, 61818, 92727, 103030, 123636, 154545, 185454, 206060, 309090, 370908, 463635, 618180, 731513, 927270, 1463026, 1854540, 2194539, 2926052, 3657565, 4389078, 6583617, 7315130, 8778156, 10972695, 13167234, 14630260, 21945390, 26334468, 32918085, 43890780, 65836170, 131672340]

約数ペア:

[(1, 131672340), (2, 65836170), (3, 43890780), (4, 32918085), (5, 26334468), (6, 21945390), (9, 14630260), (10, 13167234), (12, 10972695), (15, 8778156), (18, 7315130), (20, 6583617), (30, 4389078), (36, 3657565), (45, 2926052), (60, 2194539), (71, 1854540), (90, 1463026), (142, 927270), (180, 731513), (213, 618180), (284, 463635), (355, 370908), (426, 309090), (639, 206060), (710, 185454), (852, 154545), (1065, 123636), (1278, 103030), (1420, 92727), (2130, 61818), (2556, 51515), (3195, 41212), (4260, 30909), (6390, 20606), (10303, 12780)]