55999920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{353}}^1\times {\mathrm{661}}^1$

素因数の和:1030

約数の個数: 80

約数和(自身を含む): 174354912

約数和(自身を除く): 118354992

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 353, 661, 706, 1059, 1322, 1412, 1765, 1983, 2118, 2644, 2824, 3305, 3530, 3966, 4236, 5288, 5295, 5648, 6610, 7060, 7932, 8472, 9915, 10576, 10590, 13220, 14120, 15864, 16944, 19830, 21180, 26440, 28240, 31728, 39660, 42360, 52880, 79320, 84720, 158640, 233333, 466666, 699999, 933332, 1166665, 1399998, 1866664, 2333330, 2799996, 3499995, 3733328, 4666660, 5599992, 6999990, 9333320, 11199984, 13999980, 18666640, 27999960, 55999920]

約数ペア:

[(1, 55999920), (2, 27999960), (3, 18666640), (4, 13999980), (5, 11199984), (6, 9333320), (8, 6999990), (10, 5599992), (12, 4666660), (15, 3733328), (16, 3499995), (20, 2799996), (24, 2333330), (30, 1866664), (40, 1399998), (48, 1166665), (60, 933332), (80, 699999), (120, 466666), (240, 233333), (353, 158640), (661, 84720), (706, 79320), (1059, 52880), (1322, 42360), (1412, 39660), (1765, 31728), (1983, 28240), (2118, 26440), (2644, 21180), (2824, 19830), (3305, 16944), (3530, 15864), (3966, 14120), (4236, 13220), (5288, 10590), (5295, 10576), (5648, 9915), (6610, 8472), (7060, 7932)]