15867216

素因数分解:

$2^4\times 3^2\times {\mathrm{251}}^1\times {\mathrm{439}}^1$

素因数の和:704

約数の個数: 60

約数和(自身を含む): 44684640

約数和(自身を除く): 28817424

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 251, 439, 502, 753, 878, 1004, 1317, 1506, 1756, 2008, 2259, 2634, 3012, 3512, 3951, 4016, 4518, 5268, 6024, 7024, 7902, 9036, 10536, 12048, 15804, 18072, 21072, 31608, 36144, 63216, 110189, 220378, 330567, 440756, 661134, 881512, 991701, 1322268, 1763024, 1983402, 2644536, 3966804, 5289072, 7933608, 15867216]

約数ペア:

[(1, 15867216), (2, 7933608), (3, 5289072), (4, 3966804), (6, 2644536), (8, 1983402), (9, 1763024), (12, 1322268), (16, 991701), (18, 881512), (24, 661134), (36, 440756), (48, 330567), (72, 220378), (144, 110189), (251, 63216), (439, 36144), (502, 31608), (753, 21072), (878, 18072), (1004, 15804), (1317, 12048), (1506, 10536), (1756, 9036), (2008, 7902), (2259, 7024), (2634, 6024), (3012, 5268), (3512, 4518), (3951, 4016)]