320246568

素因数分解:

$2^3\times 3^3\times {\mathrm{661}}^1\times {\mathrm{2243}}^1$

素因数の和:2919

約数の個数: 64

約数和(自身を含む): 891316800

約数和(自身を除く): 571070232

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 216, 661, 1322, 1983, 2243, 2644, 3966, 4486, 5288, 5949, 6729, 7932, 8972, 11898, 13458, 15864, 17847, 17944, 20187, 23796, 26916, 35694, 40374, 47592, 53832, 60561, 71388, 80748, 121122, 142776, 161496, 242244, 484488, 1482623, 2965246, 4447869, 5930492, 8895738, 11860984, 13343607, 17791476, 26687214, 35582952, 40030821, 53374428, 80061642, 106748856, 160123284, 320246568]

約数ペア:

[(1, 320246568), (2, 160123284), (3, 106748856), (4, 80061642), (6, 53374428), (8, 40030821), (9, 35582952), (12, 26687214), (18, 17791476), (24, 13343607), (27, 11860984), (36, 8895738), (54, 5930492), (72, 4447869), (108, 2965246), (216, 1482623), (661, 484488), (1322, 242244), (1983, 161496), (2243, 142776), (2644, 121122), (3966, 80748), (4486, 71388), (5288, 60561), (5949, 53832), (6729, 47592), (7932, 40374), (8972, 35694), (11898, 26916), (13458, 23796), (15864, 20187), (17847, 17944)]