15769980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{1109}}^1$

素因数の和:1203

約数の個数: 72

約数和(自身を含む): 48484800

約数和(自身を除く): 32714820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 79, 90, 158, 180, 237, 316, 395, 474, 711, 790, 948, 1109, 1185, 1422, 1580, 2218, 2370, 2844, 3327, 3555, 4436, 4740, 5545, 6654, 7110, 9981, 11090, 13308, 14220, 16635, 19962, 22180, 33270, 39924, 49905, 66540, 87611, 99810, 175222, 199620, 262833, 350444, 438055, 525666, 788499, 876110, 1051332, 1314165, 1576998, 1752220, 2628330, 3153996, 3942495, 5256660, 7884990, 15769980]

約数ペア:

[(1, 15769980), (2, 7884990), (3, 5256660), (4, 3942495), (5, 3153996), (6, 2628330), (9, 1752220), (10, 1576998), (12, 1314165), (15, 1051332), (18, 876110), (20, 788499), (30, 525666), (36, 438055), (45, 350444), (60, 262833), (79, 199620), (90, 175222), (158, 99810), (180, 87611), (237, 66540), (316, 49905), (395, 39924), (474, 33270), (711, 22180), (790, 19962), (948, 16635), (1109, 14220), (1185, 13308), (1422, 11090), (1580, 9981), (2218, 7110), (2370, 6654), (2844, 5545), (3327, 4740), (3555, 4436)]