257151360

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{1999}}^1$

素因数の和:2088

約数の個数: 128

約数和(自身を含む): 832320000

約数和(自身を除く): 575168640

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, 1005, 1072, 1340, 1608, 1920, 1999, 2010, 2144, 2680, 3216, 3998, 4020, 4288, 5360, 5997, 6432, 7996, 8040, 8576, 9995, 10720, 11994, 12864, 15992, 16080, 19990, 21440, 23988, 25728, 29985, 31984, 32160, 39980, 42880, 47976, 59970, 63968, 64320, 79960, 95952, 119940, 127936, 128640, 133933, 159920, 191904, 239880, 255872, 267866, 319840, 383808, 401799, 479760, 535732, 639680, 669665, 767616, 803598, 959520, 1071464, 1279360, 1339330, 1607196, 1919040, 2008995, 2142928, 2678660, 3214392, 3838080, 4017990, 4285856, 5357320, 6428784, 8035980, 8571712, 10714640, 12857568, 16071960, 17143424, 21429280, 25715136, 32143920, 42858560, 51430272, 64287840, 85717120, 128575680, 257151360]

約数ペア:

[(1, 257151360), (2, 128575680), (3, 85717120), (4, 64287840), (5, 51430272), (6, 42858560), (8, 32143920), (10, 25715136), (12, 21429280), (15, 17143424), (16, 16071960), (20, 12857568), (24, 10714640), (30, 8571712), (32, 8035980), (40, 6428784), (48, 5357320), (60, 4285856), (64, 4017990), (67, 3838080), (80, 3214392), (96, 2678660), (120, 2142928), (128, 2008995), (134, 1919040), (160, 1607196), (192, 1339330), (201, 1279360), (240, 1071464), (268, 959520), (320, 803598), (335, 767616), (384, 669665), (402, 639680), (480, 535732), (536, 479760), (640, 401799), (670, 383808), (804, 319840), (960, 267866), (1005, 255872), (1072, 239880), (1340, 191904), (1608, 159920), (1920, 133933), (1999, 128640), (2010, 127936), (2144, 119940), (2680, 95952), (3216, 79960), (3998, 64320), (4020, 63968), (4288, 59970), (5360, 47976), (5997, 42880), (6432, 39980), (7996, 32160), (8040, 31984), (8576, 29985), (9995, 25728), (10720, 23988), (11994, 21440), (12864, 19990), (15992, 16080)]