78927720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{28597}}^1$

素因数の和:28634

約数の個数: 64

約数和(自身を含む): 247086720

約数和(自身を除く): 168159000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 115, 120, 138, 184, 230, 276, 345, 460, 552, 690, 920, 1380, 2760, 28597, 57194, 85791, 114388, 142985, 171582, 228776, 285970, 343164, 428955, 571940, 657731, 686328, 857910, 1143880, 1315462, 1715820, 1973193, 2630924, 3288655, 3431640, 3946386, 5261848, 6577310, 7892772, 9865965, 13154620, 15785544, 19731930, 26309240, 39463860, 78927720]

約数ペア:

[(1, 78927720), (2, 39463860), (3, 26309240), (4, 19731930), (5, 15785544), (6, 13154620), (8, 9865965), (10, 7892772), (12, 6577310), (15, 5261848), (20, 3946386), (23, 3431640), (24, 3288655), (30, 2630924), (40, 1973193), (46, 1715820), (60, 1315462), (69, 1143880), (92, 857910), (115, 686328), (120, 657731), (138, 571940), (184, 428955), (230, 343164), (276, 285970), (345, 228776), (460, 171582), (552, 142985), (690, 114388), (920, 85791), (1380, 57194), (2760, 28597)]