28244040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{21397}}^1$

素因数の和:21422

約数の個数: 64

約数和(自身を含む): 92439360

約数和(自身を除く): 64195320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 165, 220, 264, 330, 440, 660, 1320, 21397, 42794, 64191, 85588, 106985, 128382, 171176, 213970, 235367, 256764, 320955, 427940, 470734, 513528, 641910, 706101, 855880, 941468, 1176835, 1283820, 1412202, 1882936, 2353670, 2567640, 2824404, 3530505, 4707340, 5648808, 7061010, 9414680, 14122020, 28244040]

約数ペア:

[(1, 28244040), (2, 14122020), (3, 9414680), (4, 7061010), (5, 5648808), (6, 4707340), (8, 3530505), (10, 2824404), (11, 2567640), (12, 2353670), (15, 1882936), (20, 1412202), (22, 1283820), (24, 1176835), (30, 941468), (33, 855880), (40, 706101), (44, 641910), (55, 513528), (60, 470734), (66, 427940), (88, 320955), (110, 256764), (120, 235367), (132, 213970), (165, 171176), (220, 128382), (264, 106985), (330, 85588), (440, 64191), (660, 42794), (1320, 21397)]