128254080

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{997}}^1$

素因数の和:1086

約数の個数: 128

約数和(自身を含む): 415327680

約数和(自身を除く): 287073600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 67, 80, 96, 120, 128, 134, 160, 192, 201, 240, 268, 320, 335, 384, 402, 480, 536, 640, 670, 804, 960, 997, 1005, 1072, 1340, 1608, 1920, 1994, 2010, 2144, 2680, 2991, 3216, 3988, 4020, 4288, 4985, 5360, 5982, 6432, 7976, 8040, 8576, 9970, 10720, 11964, 12864, 14955, 15952, 16080, 19940, 21440, 23928, 25728, 29910, 31904, 32160, 39880, 42880, 47856, 59820, 63808, 64320, 66799, 79760, 95712, 119640, 127616, 128640, 133598, 159520, 191424, 200397, 239280, 267196, 319040, 333995, 382848, 400794, 478560, 534392, 638080, 667990, 801588, 957120, 1001985, 1068784, 1335980, 1603176, 1914240, 2003970, 2137568, 2671960, 3206352, 4007940, 4275136, 5343920, 6412704, 8015880, 8550272, 10687840, 12825408, 16031760, 21375680, 25650816, 32063520, 42751360, 64127040, 128254080]

約数ペア:

[(1, 128254080), (2, 64127040), (3, 42751360), (4, 32063520), (5, 25650816), (6, 21375680), (8, 16031760), (10, 12825408), (12, 10687840), (15, 8550272), (16, 8015880), (20, 6412704), (24, 5343920), (30, 4275136), (32, 4007940), (40, 3206352), (48, 2671960), (60, 2137568), (64, 2003970), (67, 1914240), (80, 1603176), (96, 1335980), (120, 1068784), (128, 1001985), (134, 957120), (160, 801588), (192, 667990), (201, 638080), (240, 534392), (268, 478560), (320, 400794), (335, 382848), (384, 333995), (402, 319040), (480, 267196), (536, 239280), (640, 200397), (670, 191424), (804, 159520), (960, 133598), (997, 128640), (1005, 127616), (1072, 119640), (1340, 95712), (1608, 79760), (1920, 66799), (1994, 64320), (2010, 63808), (2144, 59820), (2680, 47856), (2991, 42880), (3216, 39880), (3988, 32160), (4020, 31904), (4288, 29910), (4985, 25728), (5360, 23928), (5982, 21440), (6432, 19940), (7976, 16080), (8040, 15952), (8576, 14955), (9970, 12864), (10720, 11964)]