178801680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{499}}^1\times {\mathrm{1493}}^1$

素因数の和:2008

約数の個数: 80

約数和(自身を含む): 555768000

約数和(自身を除く): 376966320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 499, 998, 1493, 1497, 1996, 2495, 2986, 2994, 3992, 4479, 4990, 5972, 5988, 7465, 7485, 7984, 8958, 9980, 11944, 11976, 14930, 14970, 17916, 19960, 22395, 23888, 23952, 29860, 29940, 35832, 39920, 44790, 59720, 59880, 71664, 89580, 119440, 119760, 179160, 358320, 745007, 1490014, 2235021, 2980028, 3725035, 4470042, 5960056, 7450070, 8940084, 11175105, 11920112, 14900140, 17880168, 22350210, 29800280, 35760336, 44700420, 59600560, 89400840, 178801680]

約数ペア:

[(1, 178801680), (2, 89400840), (3, 59600560), (4, 44700420), (5, 35760336), (6, 29800280), (8, 22350210), (10, 17880168), (12, 14900140), (15, 11920112), (16, 11175105), (20, 8940084), (24, 7450070), (30, 5960056), (40, 4470042), (48, 3725035), (60, 2980028), (80, 2235021), (120, 1490014), (240, 745007), (499, 358320), (998, 179160), (1493, 119760), (1497, 119440), (1996, 89580), (2495, 71664), (2986, 59880), (2994, 59720), (3992, 44790), (4479, 39920), (4990, 35832), (5972, 29940), (5988, 29860), (7465, 23952), (7485, 23888), (7984, 22395), (8958, 19960), (9980, 17916), (11944, 14970), (11976, 14930)]