726014720

素因数分解:

$2^8\times 5^1\times {\mathrm{257}}^1\times {\mathrm{2207}}^1$

素因数の和:2485

約数の個数: 72

約数和(自身を含む): 1746589824

約数和(自身を除く): 1020575104

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 257, 320, 514, 640, 1028, 1280, 1285, 2056, 2207, 2570, 4112, 4414, 5140, 8224, 8828, 10280, 11035, 16448, 17656, 20560, 22070, 32896, 35312, 41120, 44140, 65792, 70624, 82240, 88280, 141248, 164480, 176560, 282496, 328960, 353120, 564992, 567199, 706240, 1134398, 1412480, 2268796, 2824960, 2835995, 4537592, 5671990, 9075184, 11343980, 18150368, 22687960, 36300736, 45375920, 72601472, 90751840, 145202944, 181503680, 363007360, 726014720]

約数ペア:

[(1, 726014720), (2, 363007360), (4, 181503680), (5, 145202944), (8, 90751840), (10, 72601472), (16, 45375920), (20, 36300736), (32, 22687960), (40, 18150368), (64, 11343980), (80, 9075184), (128, 5671990), (160, 4537592), (256, 2835995), (257, 2824960), (320, 2268796), (514, 1412480), (640, 1134398), (1028, 706240), (1280, 567199), (1285, 564992), (2056, 353120), (2207, 328960), (2570, 282496), (4112, 176560), (4414, 164480), (5140, 141248), (8224, 88280), (8828, 82240), (10280, 70624), (11035, 65792), (16448, 44140), (17656, 41120), (20560, 35312), (22070, 32896)]