166579980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{396619}}^1$

素因数の和:396638

約数の個数: 48

約数和(自身を含む): 533057280

約数和(自身を除く): 366477300

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 396619, 793238, 1189857, 1586476, 1983095, 2379714, 2776333, 3966190, 4759428, 5552666, 5949285, 7932380, 8328999, 11105332, 11898570, 13881665, 16657998, 23797140, 27763330, 33315996, 41644995, 55526660, 83289990, 166579980]

約数ペア:

[(1, 166579980), (2, 83289990), (3, 55526660), (4, 41644995), (5, 33315996), (6, 27763330), (7, 23797140), (10, 16657998), (12, 13881665), (14, 11898570), (15, 11105332), (20, 8328999), (21, 7932380), (28, 5949285), (30, 5552666), (35, 4759428), (42, 3966190), (60, 2776333), (70, 2379714), (84, 1983095), (105, 1586476), (140, 1189857), (210, 793238), (420, 396619)]