311507208

素因数分解:

$2^3\times 3^4\times {\mathrm{647}}^1\times {\mathrm{743}}^1$

素因数の和:1408

約数の個数: 80

約数和(自身を含む): 875033280

約数和(自身を除く): 563526072

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 324, 647, 648, 743, 1294, 1486, 1941, 2229, 2588, 2972, 3882, 4458, 5176, 5823, 5944, 6687, 7764, 8916, 11646, 13374, 15528, 17469, 17832, 20061, 23292, 26748, 34938, 40122, 46584, 52407, 53496, 60183, 69876, 80244, 104814, 120366, 139752, 160488, 209628, 240732, 419256, 480721, 481464, 961442, 1442163, 1922884, 2884326, 3845768, 4326489, 5768652, 8652978, 11537304, 12979467, 17305956, 25958934, 34611912, 38938401, 51917868, 77876802, 103835736, 155753604, 311507208]

約数ペア:

[(1, 311507208), (2, 155753604), (3, 103835736), (4, 77876802), (6, 51917868), (8, 38938401), (9, 34611912), (12, 25958934), (18, 17305956), (24, 12979467), (27, 11537304), (36, 8652978), (54, 5768652), (72, 4326489), (81, 3845768), (108, 2884326), (162, 1922884), (216, 1442163), (324, 961442), (647, 481464), (648, 480721), (743, 419256), (1294, 240732), (1486, 209628), (1941, 160488), (2229, 139752), (2588, 120366), (2972, 104814), (3882, 80244), (4458, 69876), (5176, 60183), (5823, 53496), (5944, 52407), (6687, 46584), (7764, 40122), (8916, 34938), (11646, 26748), (13374, 23292), (15528, 20061), (17469, 17832)]