661380672

素因数分解:

$2^6\times 3^1\times {\mathrm{1361}}^1\times {\mathrm{2531}}^1$

素因数の和:3907

約数の個数: 56

約数和(自身を含む): 1751880672

約数和(自身を除く): 1090500000

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 192, 1361, 2531, 2722, 4083, 5062, 5444, 7593, 8166, 10124, 10888, 15186, 16332, 20248, 21776, 30372, 32664, 40496, 43552, 60744, 65328, 80992, 87104, 121488, 130656, 161984, 242976, 261312, 485952, 3444691, 6889382, 10334073, 13778764, 20668146, 27557528, 41336292, 55115056, 82672584, 110230112, 165345168, 220460224, 330690336, 661380672]

約数ペア:

[(1, 661380672), (2, 330690336), (3, 220460224), (4, 165345168), (6, 110230112), (8, 82672584), (12, 55115056), (16, 41336292), (24, 27557528), (32, 20668146), (48, 13778764), (64, 10334073), (96, 6889382), (192, 3444691), (1361, 485952), (2531, 261312), (2722, 242976), (4083, 161984), (5062, 130656), (5444, 121488), (7593, 87104), (8166, 80992), (10124, 65328), (10888, 60744), (15186, 43552), (16332, 40496), (20248, 32664), (21776, 30372)]