856920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{193}}^1$

素因数の和:244

約数の個数: 64

約数和(自身を含む): 2653920

約数和(自身を除く): 1797000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 37, 40, 60, 74, 111, 120, 148, 185, 193, 222, 296, 370, 386, 444, 555, 579, 740, 772, 888, 965, 1110, 1158, 1480, 1544, 1930, 2220, 2316, 2895, 3860, 4440, 4632, 5790, 7141, 7720, 11580, 14282, 21423, 23160, 28564, 35705, 42846, 57128, 71410, 85692, 107115, 142820, 171384, 214230, 285640, 428460, 856920]

約数ペア:

[(1, 856920), (2, 428460), (3, 285640), (4, 214230), (5, 171384), (6, 142820), (8, 107115), (10, 85692), (12, 71410), (15, 57128), (20, 42846), (24, 35705), (30, 28564), (37, 23160), (40, 21423), (60, 14282), (74, 11580), (111, 7720), (120, 7141), (148, 5790), (185, 4632), (193, 4440), (222, 3860), (296, 2895), (370, 2316), (386, 2220), (444, 1930), (555, 1544), (579, 1480), (740, 1158), (772, 1110), (888, 965)]