8945720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{743}}^1$

素因数の和:804

約数の個数: 64

約数和(自身を含む): 23569920

約数和(自身を除く): 14624200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 43, 56, 70, 86, 140, 172, 215, 280, 301, 344, 430, 602, 743, 860, 1204, 1486, 1505, 1720, 2408, 2972, 3010, 3715, 5201, 5944, 6020, 7430, 10402, 12040, 14860, 20804, 26005, 29720, 31949, 41608, 52010, 63898, 104020, 127796, 159745, 208040, 223643, 255592, 319490, 447286, 638980, 894572, 1118215, 1277960, 1789144, 2236430, 4472860, 8945720]

約数ペア:

[(1, 8945720), (2, 4472860), (4, 2236430), (5, 1789144), (7, 1277960), (8, 1118215), (10, 894572), (14, 638980), (20, 447286), (28, 319490), (35, 255592), (40, 223643), (43, 208040), (56, 159745), (70, 127796), (86, 104020), (140, 63898), (172, 52010), (215, 41608), (280, 31949), (301, 29720), (344, 26005), (430, 20804), (602, 14860), (743, 12040), (860, 10402), (1204, 7430), (1486, 6020), (1505, 5944), (1720, 5201), (2408, 3715), (2972, 3010)]