1821129120

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{29411}}^1$

素因数の和:29475

約数の個数: 144

約数和(自身を含む): 6359344992

約数和(自身を除く): 4538215872

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 43, 45, 48, 60, 72, 80, 86, 90, 96, 120, 129, 144, 160, 172, 180, 215, 240, 258, 288, 344, 360, 387, 430, 480, 516, 645, 688, 720, 774, 860, 1032, 1290, 1376, 1440, 1548, 1720, 1935, 2064, 2580, 3096, 3440, 3870, 4128, 5160, 6192, 6880, 7740, 10320, 12384, 15480, 20640, 29411, 30960, 58822, 61920, 88233, 117644, 147055, 176466, 235288, 264699, 294110, 352932, 441165, 470576, 529398, 588220, 705864, 882330, 941152, 1058796, 1176440, 1264673, 1323495, 1411728, 1764660, 2117592, 2352880, 2529346, 2646990, 2823456, 3529320, 3794019, 4235184, 4705760, 5058692, 5293980, 6323365, 7058640, 7588038, 8470368, 10117384, 10587960, 11382057, 12646730, 14117280, 15176076, 18970095, 20234768, 21175920, 22764114, 25293460, 30352152, 37940190, 40469536, 42351840, 45528228, 50586920, 56910285, 60704304, 75880380, 91056456, 101173840, 113820570, 121408608, 151760760, 182112912, 202347680, 227641140, 303521520, 364225824, 455282280, 607043040, 910564560, 1821129120]

約数ペア:

[(1, 1821129120), (2, 910564560), (3, 607043040), (4, 455282280), (5, 364225824), (6, 303521520), (8, 227641140), (9, 202347680), (10, 182112912), (12, 151760760), (15, 121408608), (16, 113820570), (18, 101173840), (20, 91056456), (24, 75880380), (30, 60704304), (32, 56910285), (36, 50586920), (40, 45528228), (43, 42351840), (45, 40469536), (48, 37940190), (60, 30352152), (72, 25293460), (80, 22764114), (86, 21175920), (90, 20234768), (96, 18970095), (120, 15176076), (129, 14117280), (144, 12646730), (160, 11382057), (172, 10587960), (180, 10117384), (215, 8470368), (240, 7588038), (258, 7058640), (288, 6323365), (344, 5293980), (360, 5058692), (387, 4705760), (430, 4235184), (480, 3794019), (516, 3529320), (645, 2823456), (688, 2646990), (720, 2529346), (774, 2352880), (860, 2117592), (1032, 1764660), (1290, 1411728), (1376, 1323495), (1440, 1264673), (1548, 1176440), (1720, 1058796), (1935, 941152), (2064, 882330), (2580, 705864), (3096, 588220), (3440, 529398), (3870, 470576), (4128, 441165), (5160, 352932), (6192, 294110), (6880, 264699), (7740, 235288), (10320, 176466), (12384, 147055), (15480, 117644), (20640, 88233), (29411, 61920), (30960, 58822)]