69712640

素因数分解:

$2^8\times 5^1\times {\mathrm{107}}^1\times {\mathrm{509}}^1$

素因数の和:637

約数の個数: 72

約数和(自身を含む): 168875280

約数和(自身を除く): 99162640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 107, 128, 160, 214, 256, 320, 428, 509, 535, 640, 856, 1018, 1070, 1280, 1712, 2036, 2140, 2545, 3424, 4072, 4280, 5090, 6848, 8144, 8560, 10180, 13696, 16288, 17120, 20360, 27392, 32576, 34240, 40720, 54463, 65152, 68480, 81440, 108926, 130304, 136960, 162880, 217852, 272315, 325760, 435704, 544630, 651520, 871408, 1089260, 1742816, 2178520, 3485632, 4357040, 6971264, 8714080, 13942528, 17428160, 34856320, 69712640]

約数ペア:

[(1, 69712640), (2, 34856320), (4, 17428160), (5, 13942528), (8, 8714080), (10, 6971264), (16, 4357040), (20, 3485632), (32, 2178520), (40, 1742816), (64, 1089260), (80, 871408), (107, 651520), (128, 544630), (160, 435704), (214, 325760), (256, 272315), (320, 217852), (428, 162880), (509, 136960), (535, 130304), (640, 108926), (856, 81440), (1018, 68480), (1070, 65152), (1280, 54463), (1712, 40720), (2036, 34240), (2140, 32576), (2545, 27392), (3424, 20360), (4072, 17120), (4280, 16288), (5090, 13696), (6848, 10180), (8144, 8560)]