21513600

素因数分解:

$2^7\times 3^4\times 5^2\times {\mathrm{83}}^1$

素因数の和:119

約数の個数: 240

約数和(自身を含む): 80346420

約数和(自身を除く): 58832820

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, 64, 72, 75, 80, 81, 83, 90, 96, 100, 108, 120, 128, 135, 144, 150, 160, 162, 166, 180, 192, 200, 216, 225, 240, 249, 270, 288, 300, 320, 324, 332, 360, 384, 400, 405, 415, 432, 450, 480, 498, 540, 576, 600, 640, 648, 664, 675, 720, 747, 800, 810, 830, 864, 900, 960, 996, 1080, 1152, 1200, 1245, 1296, 1328, 1350, 1440, 1494, 1600, 1620, 1660, 1728, 1800, 1920, 1992, 2025, 2075, 2160, 2241, 2400, 2490, 2592, 2656, 2700, 2880, 2988, 3200, 3240, 3320, 3456, 3600, 3735, 3984, 4050, 4150, 4320, 4482, 4800, 4980, 5184, 5312, 5400, 5760, 5976, 6225, 6480, 6640, 6723, 7200, 7470, 7968, 8100, 8300, 8640, 8964, 9600, 9960, 10368, 10624, 10800, 11205, 11952, 12450, 12960, 13280, 13446, 14400, 14940, 15936, 16200, 16600, 17280, 17928, 18675, 19920, 21600, 22410, 23904, 24900, 25920, 26560, 26892, 28800, 29880, 31872, 32400, 33200, 33615, 35856, 37350, 39840, 43200, 44820, 47808, 49800, 51840, 53120, 53784, 56025, 59760, 64800, 66400, 67230, 71712, 74700, 79680, 86400, 89640, 95616, 99600, 107568, 112050, 119520, 129600, 132800, 134460, 143424, 149400, 159360, 168075, 179280, 199200, 215136, 224100, 239040, 259200, 265600, 268920, 286848, 298800, 336150, 358560, 398400, 430272, 448200, 478080, 537840, 597600, 672300, 717120, 796800, 860544, 896400, 1075680, 1195200, 1344600, 1434240, 1792800, 2151360, 2390400, 2689200, 3585600, 4302720, 5378400, 7171200, 10756800, 21513600]

約数ペア:

[(1, 21513600), (2, 10756800), (3, 7171200), (4, 5378400), (5, 4302720), (6, 3585600), (8, 2689200), (9, 2390400), (10, 2151360), (12, 1792800), (15, 1434240), (16, 1344600), (18, 1195200), (20, 1075680), (24, 896400), (25, 860544), (27, 796800), (30, 717120), (32, 672300), (36, 597600), (40, 537840), (45, 478080), (48, 448200), (50, 430272), (54, 398400), (60, 358560), (64, 336150), (72, 298800), (75, 286848), (80, 268920), (81, 265600), (83, 259200), (90, 239040), (96, 224100), (100, 215136), (108, 199200), (120, 179280), (128, 168075), (135, 159360), (144, 149400), (150, 143424), (160, 134460), (162, 132800), (166, 129600), (180, 119520), (192, 112050), (200, 107568), (216, 99600), (225, 95616), (240, 89640), (249, 86400), (270, 79680), (288, 74700), (300, 71712), (320, 67230), (324, 66400), (332, 64800), (360, 59760), (384, 56025), (400, 53784), (405, 53120), (415, 51840), (432, 49800), (450, 47808), (480, 44820), (498, 43200), (540, 39840), (576, 37350), (600, 35856), (640, 33615), (648, 33200), (664, 32400), (675, 31872), (720, 29880), (747, 28800), (800, 26892), (810, 26560), (830, 25920), (864, 24900), (900, 23904), (960, 22410), (996, 21600), (1080, 19920), (1152, 18675), (1200, 17928), (1245, 17280), (1296, 16600), (1328, 16200), (1350, 15936), (1440, 14940), (1494, 14400), (1600, 13446), (1620, 13280), (1660, 12960), (1728, 12450), (1800, 11952), (1920, 11205), (1992, 10800), (2025, 10624), (2075, 10368), (2160, 9960), (2241, 9600), (2400, 8964), (2490, 8640), (2592, 8300), (2656, 8100), (2700, 7968), (2880, 7470), (2988, 7200), (3200, 6723), (3240, 6640), (3320, 6480), (3456, 6225), (3600, 5976), (3735, 5760), (3984, 5400), (4050, 5312), (4150, 5184), (4320, 4980), (4482, 4800)]