71964540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{2311}}^1$

素因数の和:2499

約数の個数: 72

約数和(自身を含む): 219649248

約数和(自身を除く): 147684708

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 173, 180, 346, 519, 692, 865, 1038, 1557, 1730, 2076, 2311, 2595, 3114, 3460, 4622, 5190, 6228, 6933, 7785, 9244, 10380, 11555, 13866, 15570, 20799, 23110, 27732, 31140, 34665, 41598, 46220, 69330, 83196, 103995, 138660, 207990, 399803, 415980, 799606, 1199409, 1599212, 1999015, 2398818, 3598227, 3998030, 4797636, 5997045, 7196454, 7996060, 11994090, 14392908, 17991135, 23988180, 35982270, 71964540]

約数ペア:

[(1, 71964540), (2, 35982270), (3, 23988180), (4, 17991135), (5, 14392908), (6, 11994090), (9, 7996060), (10, 7196454), (12, 5997045), (15, 4797636), (18, 3998030), (20, 3598227), (30, 2398818), (36, 1999015), (45, 1599212), (60, 1199409), (90, 799606), (173, 415980), (180, 399803), (346, 207990), (519, 138660), (692, 103995), (865, 83196), (1038, 69330), (1557, 46220), (1730, 41598), (2076, 34665), (2311, 31140), (2595, 27732), (3114, 23110), (3460, 20799), (4622, 15570), (5190, 13866), (6228, 11555), (6933, 10380), (7785, 9244)]