71488160

素因数分解:

$2^5\times 5^1\times {\mathrm{277}}^1\times {\mathrm{1613}}^1$

素因数の和:1905

約数の個数: 48

約数和(自身を含む): 169605576

約数和(自身を除く): 98117416

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 277, 554, 1108, 1385, 1613, 2216, 2770, 3226, 4432, 5540, 6452, 8065, 8864, 11080, 12904, 16130, 22160, 25808, 32260, 44320, 51616, 64520, 129040, 258080, 446801, 893602, 1787204, 2234005, 3574408, 4468010, 7148816, 8936020, 14297632, 17872040, 35744080, 71488160]

約数ペア:

[(1, 71488160), (2, 35744080), (4, 17872040), (5, 14297632), (8, 8936020), (10, 7148816), (16, 4468010), (20, 3574408), (32, 2234005), (40, 1787204), (80, 893602), (160, 446801), (277, 258080), (554, 129040), (1108, 64520), (1385, 51616), (1613, 44320), (2216, 32260), (2770, 25808), (3226, 22160), (4432, 16130), (5540, 12904), (6452, 11080), (8065, 8864)]