21604320

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{1667}}^1$

素因数の和:1694

約数の個数: 120

約数和(自身を含む): 76290984

約数和(自身を除く): 54686664

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 96, 108, 120, 135, 144, 160, 162, 180, 216, 240, 270, 288, 324, 360, 405, 432, 480, 540, 648, 720, 810, 864, 1080, 1296, 1440, 1620, 1667, 2160, 2592, 3240, 3334, 4320, 5001, 6480, 6668, 8335, 10002, 12960, 13336, 15003, 16670, 20004, 25005, 26672, 30006, 33340, 40008, 45009, 50010, 53344, 60012, 66680, 75015, 80016, 90018, 100020, 120024, 133360, 135027, 150030, 160032, 180036, 200040, 225045, 240048, 266720, 270054, 300060, 360072, 400080, 450090, 480096, 540108, 600120, 675135, 720144, 800160, 900180, 1080216, 1200240, 1350270, 1440288, 1800360, 2160432, 2400480, 2700540, 3600720, 4320864, 5401080, 7201440, 10802160, 21604320]

約数ペア:

[(1, 21604320), (2, 10802160), (3, 7201440), (4, 5401080), (5, 4320864), (6, 3600720), (8, 2700540), (9, 2400480), (10, 2160432), (12, 1800360), (15, 1440288), (16, 1350270), (18, 1200240), (20, 1080216), (24, 900180), (27, 800160), (30, 720144), (32, 675135), (36, 600120), (40, 540108), (45, 480096), (48, 450090), (54, 400080), (60, 360072), (72, 300060), (80, 270054), (81, 266720), (90, 240048), (96, 225045), (108, 200040), (120, 180036), (135, 160032), (144, 150030), (160, 135027), (162, 133360), (180, 120024), (216, 100020), (240, 90018), (270, 80016), (288, 75015), (324, 66680), (360, 60012), (405, 53344), (432, 50010), (480, 45009), (540, 40008), (648, 33340), (720, 30006), (810, 26672), (864, 25005), (1080, 20004), (1296, 16670), (1440, 15003), (1620, 13336), (1667, 12960), (2160, 10002), (2592, 8335), (3240, 6668), (3334, 6480), (4320, 5001)]