81690560

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{36469}}^1$

素因数の和:36493

約数の個数: 56

約数和(自身を含む): 222321120

約数和(自身を除く): 140630560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 560, 1120, 2240, 36469, 72938, 145876, 182345, 255283, 291752, 364690, 510566, 583504, 729380, 1021132, 1167008, 1276415, 1458760, 2042264, 2334016, 2552830, 2917520, 4084528, 5105660, 5835040, 8169056, 10211320, 11670080, 16338112, 20422640, 40845280, 81690560]

約数ペア:

[(1, 81690560), (2, 40845280), (4, 20422640), (5, 16338112), (7, 11670080), (8, 10211320), (10, 8169056), (14, 5835040), (16, 5105660), (20, 4084528), (28, 2917520), (32, 2552830), (35, 2334016), (40, 2042264), (56, 1458760), (64, 1276415), (70, 1167008), (80, 1021132), (112, 729380), (140, 583504), (160, 510566), (224, 364690), (280, 291752), (320, 255283), (448, 182345), (560, 145876), (1120, 72938), (2240, 36469)]