30720504

素因数分解:

$2^3\times 3^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{263}}^1$

素因数の和:460

約数の個数: 64

約数和(自身を含む): 80087040

約数和(自身を除く): 49366536

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 31, 62, 93, 124, 157, 186, 248, 263, 314, 372, 471, 526, 628, 744, 789, 942, 1052, 1256, 1578, 1884, 2104, 3156, 3768, 4867, 6312, 8153, 9734, 14601, 16306, 19468, 24459, 29202, 32612, 38936, 41291, 48918, 58404, 65224, 82582, 97836, 116808, 123873, 165164, 195672, 247746, 330328, 495492, 990984, 1280021, 2560042, 3840063, 5120084, 7680126, 10240168, 15360252, 30720504]

約数ペア:

[(1, 30720504), (2, 15360252), (3, 10240168), (4, 7680126), (6, 5120084), (8, 3840063), (12, 2560042), (24, 1280021), (31, 990984), (62, 495492), (93, 330328), (124, 247746), (157, 195672), (186, 165164), (248, 123873), (263, 116808), (314, 97836), (372, 82582), (471, 65224), (526, 58404), (628, 48918), (744, 41291), (789, 38936), (942, 32612), (1052, 29202), (1256, 24459), (1578, 19468), (1884, 16306), (2104, 14601), (3156, 9734), (3768, 8153), (4867, 6312)]