138628800

素因数分解:

$2^6\times 3^3\times 5^2\times {\mathrm{3209}}^1$

素因数の和:3240

約数の個数: 168

約数和(自身を含む): 505510800

約数和(自身を除く): 366882000

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, 90, 96, 100, 108, 120, 135, 144, 150, 160, 180, 192, 200, 216, 225, 240, 270, 288, 300, 320, 360, 400, 432, 450, 480, 540, 576, 600, 675, 720, 800, 864, 900, 960, 1080, 1200, 1350, 1440, 1600, 1728, 1800, 2160, 2400, 2700, 2880, 3209, 3600, 4320, 4800, 5400, 6418, 7200, 8640, 9627, 10800, 12836, 14400, 16045, 19254, 21600, 25672, 28881, 32090, 38508, 43200, 48135, 51344, 57762, 64180, 77016, 80225, 86643, 96270, 102688, 115524, 128360, 144405, 154032, 160450, 173286, 192540, 205376, 231048, 240675, 256720, 288810, 308064, 320900, 346572, 385080, 433215, 462096, 481350, 513440, 577620, 616128, 641800, 693144, 722025, 770160, 866430, 924192, 962700, 1026880, 1155240, 1283600, 1386288, 1444050, 1540320, 1732860, 1848384, 1925400, 2166075, 2310480, 2567200, 2772576, 2888100, 3080640, 3465720, 3850800, 4332150, 4620960, 5134400, 5545152, 5776200, 6931440, 7701600, 8664300, 9241920, 11552400, 13862880, 15403200, 17328600, 23104800, 27725760, 34657200, 46209600, 69314400, 138628800]

約数ペア:

[(1, 138628800), (2, 69314400), (3, 46209600), (4, 34657200), (5, 27725760), (6, 23104800), (8, 17328600), (9, 15403200), (10, 13862880), (12, 11552400), (15, 9241920), (16, 8664300), (18, 7701600), (20, 6931440), (24, 5776200), (25, 5545152), (27, 5134400), (30, 4620960), (32, 4332150), (36, 3850800), (40, 3465720), (45, 3080640), (48, 2888100), (50, 2772576), (54, 2567200), (60, 2310480), (64, 2166075), (72, 1925400), (75, 1848384), (80, 1732860), (90, 1540320), (96, 1444050), (100, 1386288), (108, 1283600), (120, 1155240), (135, 1026880), (144, 962700), (150, 924192), (160, 866430), (180, 770160), (192, 722025), (200, 693144), (216, 641800), (225, 616128), (240, 577620), (270, 513440), (288, 481350), (300, 462096), (320, 433215), (360, 385080), (400, 346572), (432, 320900), (450, 308064), (480, 288810), (540, 256720), (576, 240675), (600, 231048), (675, 205376), (720, 192540), (800, 173286), (864, 160450), (900, 154032), (960, 144405), (1080, 128360), (1200, 115524), (1350, 102688), (1440, 96270), (1600, 86643), (1728, 80225), (1800, 77016), (2160, 64180), (2400, 57762), (2700, 51344), (2880, 48135), (3209, 43200), (3600, 38508), (4320, 32090), (4800, 28881), (5400, 25672), (6418, 21600), (7200, 19254), (8640, 16045), (9627, 14400), (10800, 12836)]