21880800

素因数分解:

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

素因数の和:1042

約数の個数: 144

約数和(自身を含む): 79213680

約数和(自身を除く): 57332880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 27, 30, 32, 36, 40, 45, 48, 50, 54, 60, 72, 75, 80, 90, 96, 100, 108, 120, 135, 144, 150, 160, 180, 200, 216, 225, 240, 270, 288, 300, 360, 400, 432, 450, 480, 540, 600, 675, 720, 800, 864, 900, 1013, 1080, 1200, 1350, 1440, 1800, 2026, 2160, 2400, 2700, 3039, 3600, 4052, 4320, 5065, 5400, 6078, 7200, 8104, 9117, 10130, 10800, 12156, 15195, 16208, 18234, 20260, 21600, 24312, 25325, 27351, 30390, 32416, 36468, 40520, 45585, 48624, 50650, 54702, 60780, 72936, 75975, 81040, 91170, 97248, 101300, 109404, 121560, 136755, 145872, 151950, 162080, 182340, 202600, 218808, 227925, 243120, 273510, 291744, 303900, 364680, 405200, 437616, 455850, 486240, 547020, 607800, 683775, 729360, 810400, 875232, 911700, 1094040, 1215600, 1367550, 1458720, 1823400, 2188080, 2431200, 2735100, 3646800, 4376160, 5470200, 7293600, 10940400, 21880800]

約数ペア:

[(1, 21880800), (2, 10940400), (3, 7293600), (4, 5470200), (5, 4376160), (6, 3646800), (8, 2735100), (9, 2431200), (10, 2188080), (12, 1823400), (15, 1458720), (16, 1367550), (18, 1215600), (20, 1094040), (24, 911700), (25, 875232), (27, 810400), (30, 729360), (32, 683775), (36, 607800), (40, 547020), (45, 486240), (48, 455850), (50, 437616), (54, 405200), (60, 364680), (72, 303900), (75, 291744), (80, 273510), (90, 243120), (96, 227925), (100, 218808), (108, 202600), (120, 182340), (135, 162080), (144, 151950), (150, 145872), (160, 136755), (180, 121560), (200, 109404), (216, 101300), (225, 97248), (240, 91170), (270, 81040), (288, 75975), (300, 72936), (360, 60780), (400, 54702), (432, 50650), (450, 48624), (480, 45585), (540, 40520), (600, 36468), (675, 32416), (720, 30390), (800, 27351), (864, 25325), (900, 24312), (1013, 21600), (1080, 20260), (1200, 18234), (1350, 16208), (1440, 15195), (1800, 12156), (2026, 10800), (2160, 10130), (2400, 9117), (2700, 8104), (3039, 7200), (3600, 6078), (4052, 5400), (4320, 5065)]