3216640

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{359}}^1$

素因数の和:387

約数の個数: 72

約数和(自身を含む): 8830080

約数和(自身を除く): 5613440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 359, 448, 560, 640, 718, 896, 1120, 1280, 1436, 1792, 1795, 2240, 2513, 2872, 3590, 4480, 5026, 5744, 7180, 8960, 10052, 11488, 12565, 14360, 20104, 22976, 25130, 28720, 40208, 45952, 50260, 57440, 80416, 91904, 100520, 114880, 160832, 201040, 229760, 321664, 402080, 459520, 643328, 804160, 1608320, 3216640]

約数ペア:

[(1, 3216640), (2, 1608320), (4, 804160), (5, 643328), (7, 459520), (8, 402080), (10, 321664), (14, 229760), (16, 201040), (20, 160832), (28, 114880), (32, 100520), (35, 91904), (40, 80416), (56, 57440), (64, 50260), (70, 45952), (80, 40208), (112, 28720), (128, 25130), (140, 22976), (160, 20104), (224, 14360), (256, 12565), (280, 11488), (320, 10052), (359, 8960), (448, 7180), (560, 5744), (640, 5026), (718, 4480), (896, 3590), (1120, 2872), (1280, 2513), (1436, 2240), (1792, 1795)]