81946260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41387}}^1$

素因数の和:41413

約数の個数: 72

約数和(自身を含む): 271174176

約数和(自身を除く): 189227916

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 41387, 82774, 124161, 165548, 206935, 248322, 372483, 413870, 455257, 496644, 620805, 744966, 827740, 910514, 1241610, 1365771, 1489932, 1821028, 1862415, 2276285, 2483220, 2731542, 3724830, 4097313, 4552570, 5463084, 6828855, 7449660, 8194626, 9105140, 13657710, 16389252, 20486565, 27315420, 40973130, 81946260]

約数ペア:

[(1, 81946260), (2, 40973130), (3, 27315420), (4, 20486565), (5, 16389252), (6, 13657710), (9, 9105140), (10, 8194626), (11, 7449660), (12, 6828855), (15, 5463084), (18, 4552570), (20, 4097313), (22, 3724830), (30, 2731542), (33, 2483220), (36, 2276285), (44, 1862415), (45, 1821028), (55, 1489932), (60, 1365771), (66, 1241610), (90, 910514), (99, 827740), (110, 744966), (132, 620805), (165, 496644), (180, 455257), (198, 413870), (220, 372483), (330, 248322), (396, 206935), (495, 165548), (660, 124161), (990, 82774), (1980, 41387)]