81868176

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{433}}^1$

素因数の和:561

約数の個数: 120

約数和(自身を含む): 249760056

約数和(自身を除く): 167891880

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 36, 39, 48, 52, 72, 78, 101, 104, 117, 144, 156, 202, 208, 234, 303, 312, 404, 433, 468, 606, 624, 808, 866, 909, 936, 1212, 1299, 1313, 1616, 1732, 1818, 1872, 2424, 2598, 2626, 3464, 3636, 3897, 3939, 4848, 5196, 5252, 5629, 6928, 7272, 7794, 7878, 10392, 10504, 11258, 11817, 14544, 15588, 15756, 16887, 20784, 21008, 22516, 23634, 31176, 31512, 33774, 43733, 45032, 47268, 50661, 62352, 63024, 67548, 87466, 90064, 94536, 101322, 131199, 135096, 174932, 189072, 202644, 262398, 270192, 349864, 393597, 405288, 524796, 568529, 699728, 787194, 810576, 1049592, 1137058, 1574388, 1705587, 2099184, 2274116, 3148776, 3411174, 4548232, 5116761, 6297552, 6822348, 9096464, 10233522, 13644696, 20467044, 27289392, 40934088, 81868176]

約数ペア:

[(1, 81868176), (2, 40934088), (3, 27289392), (4, 20467044), (6, 13644696), (8, 10233522), (9, 9096464), (12, 6822348), (13, 6297552), (16, 5116761), (18, 4548232), (24, 3411174), (26, 3148776), (36, 2274116), (39, 2099184), (48, 1705587), (52, 1574388), (72, 1137058), (78, 1049592), (101, 810576), (104, 787194), (117, 699728), (144, 568529), (156, 524796), (202, 405288), (208, 393597), (234, 349864), (303, 270192), (312, 262398), (404, 202644), (433, 189072), (468, 174932), (606, 135096), (624, 131199), (808, 101322), (866, 94536), (909, 90064), (936, 87466), (1212, 67548), (1299, 63024), (1313, 62352), (1616, 50661), (1732, 47268), (1818, 45032), (1872, 43733), (2424, 33774), (2598, 31512), (2626, 31176), (3464, 23634), (3636, 22516), (3897, 21008), (3939, 20784), (4848, 16887), (5196, 15756), (5252, 15588), (5629, 14544), (6928, 11817), (7272, 11258), (7794, 10504), (7878, 10392)]