128575680

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{1999}}^1$

素因数の和:2086

約数の個数: 112

約数和(自身を含む): 414528000

約数和(自身を除く): 285952320

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, 134, 160, 192, 201, 240, 268, 320, 335, 402, 480, 536, 670, 804, 960, 1005, 1072, 1340, 1608, 1999, 2010, 2144, 2680, 3216, 3998, 4020, 4288, 5360, 5997, 6432, 7996, 8040, 9995, 10720, 11994, 12864, 15992, 16080, 19990, 21440, 23988, 29985, 31984, 32160, 39980, 47976, 59970, 63968, 64320, 79960, 95952, 119940, 127936, 133933, 159920, 191904, 239880, 267866, 319840, 383808, 401799, 479760, 535732, 639680, 669665, 803598, 959520, 1071464, 1339330, 1607196, 1919040, 2008995, 2142928, 2678660, 3214392, 4017990, 4285856, 5357320, 6428784, 8035980, 8571712, 10714640, 12857568, 16071960, 21429280, 25715136, 32143920, 42858560, 64287840, 128575680]

約数ペア:

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