81357528

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{16699}}^1$

素因数の和:16744

約数の個数: 64

約数和(自身を含む): 240480000

約数和(自身を除く): 159122472

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 29, 42, 56, 58, 84, 87, 116, 168, 174, 203, 232, 348, 406, 609, 696, 812, 1218, 1624, 2436, 4872, 16699, 33398, 50097, 66796, 100194, 116893, 133592, 200388, 233786, 350679, 400776, 467572, 484271, 701358, 935144, 968542, 1402716, 1452813, 1937084, 2805432, 2905626, 3389897, 3874168, 5811252, 6779794, 10169691, 11622504, 13559588, 20339382, 27119176, 40678764, 81357528]

約数ペア:

[(1, 81357528), (2, 40678764), (3, 27119176), (4, 20339382), (6, 13559588), (7, 11622504), (8, 10169691), (12, 6779794), (14, 5811252), (21, 3874168), (24, 3389897), (28, 2905626), (29, 2805432), (42, 1937084), (56, 1452813), (58, 1402716), (84, 968542), (87, 935144), (116, 701358), (168, 484271), (174, 467572), (203, 400776), (232, 350679), (348, 233786), (406, 200388), (609, 133592), (696, 116893), (812, 100194), (1218, 66796), (1624, 50097), (2436, 33398), (4872, 16699)]