8169960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{661}}^1$

素因数の和:778

約数の個数: 64

約数和(自身を含む): 24785280

約数和(自身を除く): 16615320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 103, 120, 206, 309, 412, 515, 618, 661, 824, 1030, 1236, 1322, 1545, 1983, 2060, 2472, 2644, 3090, 3305, 3966, 4120, 5288, 6180, 6610, 7932, 9915, 12360, 13220, 15864, 19830, 26440, 39660, 68083, 79320, 136166, 204249, 272332, 340415, 408498, 544664, 680830, 816996, 1021245, 1361660, 1633992, 2042490, 2723320, 4084980, 8169960]

約数ペア:

[(1, 8169960), (2, 4084980), (3, 2723320), (4, 2042490), (5, 1633992), (6, 1361660), (8, 1021245), (10, 816996), (12, 680830), (15, 544664), (20, 408498), (24, 340415), (30, 272332), (40, 204249), (60, 136166), (103, 79320), (120, 68083), (206, 39660), (309, 26440), (412, 19830), (515, 15864), (618, 13220), (661, 12360), (824, 9915), (1030, 7932), (1236, 6610), (1322, 6180), (1545, 5288), (1983, 4120), (2060, 3966), (2472, 3305), (2644, 3090)]