69620480

素因数分解:

$2^8\times 5^1\times {\mathrm{109}}^1\times {\mathrm{499}}^1$

素因数の和:629

約数の個数: 72

約数和(自身を含む): 168630000

約数和(自身を除く): 99009520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 109, 128, 160, 218, 256, 320, 436, 499, 545, 640, 872, 998, 1090, 1280, 1744, 1996, 2180, 2495, 3488, 3992, 4360, 4990, 6976, 7984, 8720, 9980, 13952, 15968, 17440, 19960, 27904, 31936, 34880, 39920, 54391, 63872, 69760, 79840, 108782, 127744, 139520, 159680, 217564, 271955, 319360, 435128, 543910, 638720, 870256, 1087820, 1740512, 2175640, 3481024, 4351280, 6962048, 8702560, 13924096, 17405120, 34810240, 69620480]

約数ペア:

[(1, 69620480), (2, 34810240), (4, 17405120), (5, 13924096), (8, 8702560), (10, 6962048), (16, 4351280), (20, 3481024), (32, 2175640), (40, 1740512), (64, 1087820), (80, 870256), (109, 638720), (128, 543910), (160, 435128), (218, 319360), (256, 271955), (320, 217564), (436, 159680), (499, 139520), (545, 127744), (640, 108782), (872, 79840), (998, 69760), (1090, 63872), (1280, 54391), (1744, 39920), (1996, 34880), (2180, 31936), (2495, 27904), (3488, 19960), (3992, 17440), (4360, 15968), (4990, 13952), (6976, 9980), (7984, 8720)]