28768920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{149}}^1\times {\mathrm{1609}}^1$

素因数の和:1772

約数の個数: 64

約数和(自身を含む): 86940000

約数和(自身を除く): 58171080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 149, 298, 447, 596, 745, 894, 1192, 1490, 1609, 1788, 2235, 2980, 3218, 3576, 4470, 4827, 5960, 6436, 8045, 8940, 9654, 12872, 16090, 17880, 19308, 24135, 32180, 38616, 48270, 64360, 96540, 193080, 239741, 479482, 719223, 958964, 1198705, 1438446, 1917928, 2397410, 2876892, 3596115, 4794820, 5753784, 7192230, 9589640, 14384460, 28768920]

約数ペア:

[(1, 28768920), (2, 14384460), (3, 9589640), (4, 7192230), (5, 5753784), (6, 4794820), (8, 3596115), (10, 2876892), (12, 2397410), (15, 1917928), (20, 1438446), (24, 1198705), (30, 958964), (40, 719223), (60, 479482), (120, 239741), (149, 193080), (298, 96540), (447, 64360), (596, 48270), (745, 38616), (894, 32180), (1192, 24135), (1490, 19308), (1609, 17880), (1788, 16090), (2235, 12872), (2980, 9654), (3218, 8940), (3576, 8045), (4470, 6436), (4827, 5960)]