21648371040

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{1670399}}^1$

素因数の和:1670426

約数の個数: 120

約数和(自身を含む): 76400755200

約数和(自身を除く): 54752384160

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, 2160, 2592, 3240, 4320, 6480, 12960, 1670399, 3340798, 5011197, 6681596, 8351995, 10022394, 13363192, 15033591, 16703990, 20044788, 25055985, 26726384, 30067182, 33407980, 40089576, 45100773, 50111970, 53452768, 60134364, 66815960, 75167955, 80179152, 90201546, 100223940, 120268728, 133631920, 135302319, 150335910, 160358304, 180403092, 200447880, 225503865, 240537456, 267263840, 270604638, 300671820, 360806184, 400895760, 451007730, 481074912, 541209276, 601343640, 676511595, 721612368, 801791520, 902015460, 1082418552, 1202687280, 1353023190, 1443224736, 1804030920, 2164837104, 2405374560, 2706046380, 3608061840, 4329674208, 5412092760, 7216123680, 10824185520, 21648371040]

約数ペア:

[(1, 21648371040), (2, 10824185520), (3, 7216123680), (4, 5412092760), (5, 4329674208), (6, 3608061840), (8, 2706046380), (9, 2405374560), (10, 2164837104), (12, 1804030920), (15, 1443224736), (16, 1353023190), (18, 1202687280), (20, 1082418552), (24, 902015460), (27, 801791520), (30, 721612368), (32, 676511595), (36, 601343640), (40, 541209276), (45, 481074912), (48, 451007730), (54, 400895760), (60, 360806184), (72, 300671820), (80, 270604638), (81, 267263840), (90, 240537456), (96, 225503865), (108, 200447880), (120, 180403092), (135, 160358304), (144, 150335910), (160, 135302319), (162, 133631920), (180, 120268728), (216, 100223940), (240, 90201546), (270, 80179152), (288, 75167955), (324, 66815960), (360, 60134364), (405, 53452768), (432, 50111970), (480, 45100773), (540, 40089576), (648, 33407980), (720, 30067182), (810, 26726384), (864, 25055985), (1080, 20044788), (1296, 16703990), (1440, 15033591), (1620, 13363192), (2160, 10022394), (2592, 8351995), (3240, 6681596), (4320, 5011197), (6480, 3340798), (12960, 1670399)]