19692720

素因数分解:

$2^4\times 3^5\times 5^1\times {\mathrm{1013}}^1$

素因数の和:1041

約数の個数: 120

約数和(自身を含む): 68651856

約数和(自身を除く): 48959136

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 108, 120, 135, 144, 162, 180, 216, 240, 243, 270, 324, 360, 405, 432, 486, 540, 648, 720, 810, 972, 1013, 1080, 1215, 1296, 1620, 1944, 2026, 2160, 2430, 3039, 3240, 3888, 4052, 4860, 5065, 6078, 6480, 8104, 9117, 9720, 10130, 12156, 15195, 16208, 18234, 19440, 20260, 24312, 27351, 30390, 36468, 40520, 45585, 48624, 54702, 60780, 72936, 81040, 82053, 91170, 109404, 121560, 136755, 145872, 164106, 182340, 218808, 243120, 246159, 273510, 328212, 364680, 410265, 437616, 492318, 547020, 656424, 729360, 820530, 984636, 1094040, 1230795, 1312848, 1641060, 1969272, 2188080, 2461590, 3282120, 3938544, 4923180, 6564240, 9846360, 19692720]

約数ペア:

[(1, 19692720), (2, 9846360), (3, 6564240), (4, 4923180), (5, 3938544), (6, 3282120), (8, 2461590), (9, 2188080), (10, 1969272), (12, 1641060), (15, 1312848), (16, 1230795), (18, 1094040), (20, 984636), (24, 820530), (27, 729360), (30, 656424), (36, 547020), (40, 492318), (45, 437616), (48, 410265), (54, 364680), (60, 328212), (72, 273510), (80, 246159), (81, 243120), (90, 218808), (108, 182340), (120, 164106), (135, 145872), (144, 136755), (162, 121560), (180, 109404), (216, 91170), (240, 82053), (243, 81040), (270, 72936), (324, 60780), (360, 54702), (405, 48624), (432, 45585), (486, 40520), (540, 36468), (648, 30390), (720, 27351), (810, 24312), (972, 20260), (1013, 19440), (1080, 18234), (1215, 16208), (1296, 15195), (1620, 12156), (1944, 10130), (2026, 9720), (2160, 9117), (2430, 8104), (3039, 6480), (3240, 6078), (3888, 5065), (4052, 4860)]