30906756

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{163}}^1\times {\mathrm{229}}^1$

素因数の和:425

約数の個数: 72

約数和(自身を含む): 82380480

約数和(自身を除く): 51473724

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 69, 92, 138, 163, 207, 229, 276, 326, 414, 458, 489, 652, 687, 828, 916, 978, 1374, 1467, 1956, 2061, 2748, 2934, 3749, 4122, 5267, 5868, 7498, 8244, 10534, 11247, 14996, 15801, 21068, 22494, 31602, 33741, 37327, 44988, 47403, 63204, 67482, 74654, 94806, 111981, 134964, 149308, 189612, 223962, 335943, 447924, 671886, 858521, 1343772, 1717042, 2575563, 3434084, 5151126, 7726689, 10302252, 15453378, 30906756]

約数ペア:

[(1, 30906756), (2, 15453378), (3, 10302252), (4, 7726689), (6, 5151126), (9, 3434084), (12, 2575563), (18, 1717042), (23, 1343772), (36, 858521), (46, 671886), (69, 447924), (92, 335943), (138, 223962), (163, 189612), (207, 149308), (229, 134964), (276, 111981), (326, 94806), (414, 74654), (458, 67482), (489, 63204), (652, 47403), (687, 44988), (828, 37327), (916, 33741), (978, 31602), (1374, 22494), (1467, 21068), (1956, 15801), (2061, 14996), (2748, 11247), (2934, 10534), (3749, 8244), (4122, 7498), (5267, 5868)]