71798080

素因数分解:

$2^6\times 5^1\times {\mathrm{89}}^1\times {\mathrm{2521}}^1$

素因数の和:2627

約数の個数: 56

約数和(自身を含む): 172958760

約数和(自身を除く): 101160680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 89, 160, 178, 320, 356, 445, 712, 890, 1424, 1780, 2521, 2848, 3560, 5042, 5696, 7120, 10084, 12605, 14240, 20168, 25210, 28480, 40336, 50420, 80672, 100840, 161344, 201680, 224369, 403360, 448738, 806720, 897476, 1121845, 1794952, 2243690, 3589904, 4487380, 7179808, 8974760, 14359616, 17949520, 35899040, 71798080]

約数ペア:

[(1, 71798080), (2, 35899040), (4, 17949520), (5, 14359616), (8, 8974760), (10, 7179808), (16, 4487380), (20, 3589904), (32, 2243690), (40, 1794952), (64, 1121845), (80, 897476), (89, 806720), (160, 448738), (178, 403360), (320, 224369), (356, 201680), (445, 161344), (712, 100840), (890, 80672), (1424, 50420), (1780, 40336), (2521, 28480), (2848, 25210), (3560, 20168), (5042, 14240), (5696, 12605), (7120, 10084)]