521327520

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{51719}}^1$

素因数の和:51747

約数の個数: 144

約数和(自身を含む): 2033216640

約数和(自身を除く): 1511889120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 210, 224, 240, 252, 280, 288, 315, 336, 360, 420, 480, 504, 560, 630, 672, 720, 840, 1008, 1120, 1260, 1440, 1680, 2016, 2520, 3360, 5040, 10080, 51719, 103438, 155157, 206876, 258595, 310314, 362033, 413752, 465471, 517190, 620628, 724066, 775785, 827504, 930942, 1034380, 1086099, 1241256, 1448132, 1551570, 1655008, 1810165, 1861884, 2068760, 2172198, 2327355, 2482512, 2896264, 3103140, 3258297, 3620330, 3723768, 4137520, 4344396, 4654710, 4965024, 5430495, 5792528, 6206280, 6516594, 7240660, 7447536, 8275040, 8688792, 9309420, 10860990, 11585056, 12412560, 13033188, 14481320, 14895072, 16291485, 17377584, 18618840, 21721980, 24825120, 26066376, 28962640, 32582970, 34755168, 37237680, 43443960, 52132752, 57925280, 65165940, 74475360, 86887920, 104265504, 130331880, 173775840, 260663760, 521327520]

約数ペア:

[(1, 521327520), (2, 260663760), (3, 173775840), (4, 130331880), (5, 104265504), (6, 86887920), (7, 74475360), (8, 65165940), (9, 57925280), (10, 52132752), (12, 43443960), (14, 37237680), (15, 34755168), (16, 32582970), (18, 28962640), (20, 26066376), (21, 24825120), (24, 21721980), (28, 18618840), (30, 17377584), (32, 16291485), (35, 14895072), (36, 14481320), (40, 13033188), (42, 12412560), (45, 11585056), (48, 10860990), (56, 9309420), (60, 8688792), (63, 8275040), (70, 7447536), (72, 7240660), (80, 6516594), (84, 6206280), (90, 5792528), (96, 5430495), (105, 4965024), (112, 4654710), (120, 4344396), (126, 4137520), (140, 3723768), (144, 3620330), (160, 3258297), (168, 3103140), (180, 2896264), (210, 2482512), (224, 2327355), (240, 2172198), (252, 2068760), (280, 1861884), (288, 1810165), (315, 1655008), (336, 1551570), (360, 1448132), (420, 1241256), (480, 1086099), (504, 1034380), (560, 930942), (630, 827504), (672, 775785), (720, 724066), (840, 620628), (1008, 517190), (1120, 465471), (1260, 413752), (1440, 362033), (1680, 310314), (2016, 258595), (2520, 206876), (3360, 155157), (5040, 103438), (10080, 51719)]