30121605

素因数分解:

$3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1$

素因数の和:235

約数の個数: 64

約数和(自身を含む): 57024000

約数和(自身を除く): 26902395

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 69, 89, 109, 115, 135, 207, 267, 327, 345, 445, 545, 621, 801, 981, 1035, 1335, 1635, 2047, 2403, 2507, 2943, 3105, 4005, 4905, 6141, 7521, 9701, 10235, 12015, 12535, 14715, 18423, 22563, 29103, 30705, 37605, 48505, 55269, 67689, 87309, 92115, 112815, 145515, 223123, 261927, 276345, 338445, 436545, 669369, 1115615, 1309635, 2008107, 3346845, 6024321, 10040535, 30121605]

約数ペア:

[(1, 30121605), (3, 10040535), (5, 6024321), (9, 3346845), (15, 2008107), (23, 1309635), (27, 1115615), (45, 669369), (69, 436545), (89, 338445), (109, 276345), (115, 261927), (135, 223123), (207, 145515), (267, 112815), (327, 92115), (345, 87309), (445, 67689), (545, 55269), (621, 48505), (801, 37605), (981, 30705), (1035, 29103), (1335, 22563), (1635, 18423), (2047, 14715), (2403, 12535), (2507, 12015), (2943, 10235), (3105, 9701), (4005, 7521), (4905, 6141)]