260158640

素因数分解:

$2^4\times 5^1\times 7^3\times {\mathrm{19}}^1\times {\mathrm{499}}^1$

素因数の和:552

約数の個数: 160

約数和(自身を含む): 744000000

約数和(自身を除く): 483841360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 49, 56, 70, 76, 80, 95, 98, 112, 133, 140, 152, 190, 196, 245, 266, 280, 304, 343, 380, 392, 490, 499, 532, 560, 665, 686, 760, 784, 931, 980, 998, 1064, 1330, 1372, 1520, 1715, 1862, 1960, 1996, 2128, 2495, 2660, 2744, 3430, 3493, 3724, 3920, 3992, 4655, 4990, 5320, 5488, 6517, 6860, 6986, 7448, 7984, 9310, 9481, 9980, 10640, 13034, 13720, 13972, 14896, 17465, 18620, 18962, 19960, 24451, 26068, 27440, 27944, 32585, 34930, 37240, 37924, 39920, 47405, 48902, 52136, 55888, 65170, 66367, 69860, 74480, 75848, 94810, 97804, 104272, 122255, 130340, 132734, 139720, 151696, 171157, 189620, 195608, 244510, 260680, 265468, 279440, 331835, 342314, 379240, 391216, 464569, 489020, 521360, 530936, 663670, 684628, 758480, 855785, 929138, 978040, 1061872, 1327340, 1369256, 1711570, 1858276, 1956080, 2322845, 2654680, 2738512, 3251983, 3423140, 3716552, 4645690, 5309360, 6503966, 6846280, 7433104, 9291380, 13007932, 13692560, 16259915, 18582760, 26015864, 32519830, 37165520, 52031728, 65039660, 130079320, 260158640]

約数ペア:

[(1, 260158640), (2, 130079320), (4, 65039660), (5, 52031728), (7, 37165520), (8, 32519830), (10, 26015864), (14, 18582760), (16, 16259915), (19, 13692560), (20, 13007932), (28, 9291380), (35, 7433104), (38, 6846280), (40, 6503966), (49, 5309360), (56, 4645690), (70, 3716552), (76, 3423140), (80, 3251983), (95, 2738512), (98, 2654680), (112, 2322845), (133, 1956080), (140, 1858276), (152, 1711570), (190, 1369256), (196, 1327340), (245, 1061872), (266, 978040), (280, 929138), (304, 855785), (343, 758480), (380, 684628), (392, 663670), (490, 530936), (499, 521360), (532, 489020), (560, 464569), (665, 391216), (686, 379240), (760, 342314), (784, 331835), (931, 279440), (980, 265468), (998, 260680), (1064, 244510), (1330, 195608), (1372, 189620), (1520, 171157), (1715, 151696), (1862, 139720), (1960, 132734), (1996, 130340), (2128, 122255), (2495, 104272), (2660, 97804), (2744, 94810), (3430, 75848), (3493, 74480), (3724, 69860), (3920, 66367), (3992, 65170), (4655, 55888), (4990, 52136), (5320, 48902), (5488, 47405), (6517, 39920), (6860, 37924), (6986, 37240), (7448, 34930), (7984, 32585), (9310, 27944), (9481, 27440), (9980, 26068), (10640, 24451), (13034, 19960), (13720, 18962), (13972, 18620), (14896, 17465)]