81104652

素因数分解:

$2^2\times 3^5\times {\mathrm{181}}^1\times {\mathrm{461}}^1$

素因数の和:661

約数の個数: 72

約数和(自身を含む): 214246032

約数和(自身を除く): 133141380

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 181, 243, 324, 362, 461, 486, 543, 724, 922, 972, 1086, 1383, 1629, 1844, 2172, 2766, 3258, 4149, 4887, 5532, 6516, 8298, 9774, 12447, 14661, 16596, 19548, 24894, 29322, 37341, 43983, 49788, 58644, 74682, 83441, 87966, 112023, 149364, 166882, 175932, 224046, 250323, 333764, 448092, 500646, 750969, 1001292, 1501938, 2252907, 3003876, 4505814, 6758721, 9011628, 13517442, 20276163, 27034884, 40552326, 81104652]

約数ペア:

[(1, 81104652), (2, 40552326), (3, 27034884), (4, 20276163), (6, 13517442), (9, 9011628), (12, 6758721), (18, 4505814), (27, 3003876), (36, 2252907), (54, 1501938), (81, 1001292), (108, 750969), (162, 500646), (181, 448092), (243, 333764), (324, 250323), (362, 224046), (461, 175932), (486, 166882), (543, 149364), (724, 112023), (922, 87966), (972, 83441), (1086, 74682), (1383, 58644), (1629, 49788), (1844, 43983), (2172, 37341), (2766, 29322), (3258, 24894), (4149, 19548), (4887, 16596), (5532, 14661), (6516, 12447), (8298, 9774)]