820072960

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{45763}}^1$

素因数の和:45793

約数の個数: 80

約数和(自身を含む): 2247195456

約数和(自身を除く): 1427122496

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, 448, 512, 560, 640, 896, 1120, 1280, 1792, 2240, 2560, 3584, 4480, 8960, 17920, 45763, 91526, 183052, 228815, 320341, 366104, 457630, 640682, 732208, 915260, 1281364, 1464416, 1601705, 1830520, 2562728, 2928832, 3203410, 3661040, 5125456, 5857664, 6406820, 7322080, 10250912, 11715328, 12813640, 14644160, 20501824, 23430656, 25627280, 29288320, 41003648, 51254560, 58576640, 82007296, 102509120, 117153280, 164014592, 205018240, 410036480, 820072960]

約数ペア:

[(1, 820072960), (2, 410036480), (4, 205018240), (5, 164014592), (7, 117153280), (8, 102509120), (10, 82007296), (14, 58576640), (16, 51254560), (20, 41003648), (28, 29288320), (32, 25627280), (35, 23430656), (40, 20501824), (56, 14644160), (64, 12813640), (70, 11715328), (80, 10250912), (112, 7322080), (128, 6406820), (140, 5857664), (160, 5125456), (224, 3661040), (256, 3203410), (280, 2928832), (320, 2562728), (448, 1830520), (512, 1601705), (560, 1464416), (640, 1281364), (896, 915260), (1120, 732208), (1280, 640682), (1792, 457630), (2240, 366104), (2560, 320341), (3584, 228815), (4480, 183052), (8960, 91526), (17920, 45763)]