64720728

素因数分解:

$2^3\times 3^3\times {\mathrm{97}}^1\times {\mathrm{3089}}^1$

素因数の和:3201

約数の個数: 64

約数和(自身を含む): 181692000

約数和(自身を除く): 116971272

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 97, 108, 194, 216, 291, 388, 582, 776, 873, 1164, 1746, 2328, 2619, 3089, 3492, 5238, 6178, 6984, 9267, 10476, 12356, 18534, 20952, 24712, 27801, 37068, 55602, 74136, 83403, 111204, 166806, 222408, 299633, 333612, 599266, 667224, 898899, 1198532, 1797798, 2397064, 2696697, 3595596, 5393394, 7191192, 8090091, 10786788, 16180182, 21573576, 32360364, 64720728]

約数ペア:

[(1, 64720728), (2, 32360364), (3, 21573576), (4, 16180182), (6, 10786788), (8, 8090091), (9, 7191192), (12, 5393394), (18, 3595596), (24, 2696697), (27, 2397064), (36, 1797798), (54, 1198532), (72, 898899), (97, 667224), (108, 599266), (194, 333612), (216, 299633), (291, 222408), (388, 166806), (582, 111204), (776, 83403), (873, 74136), (1164, 55602), (1746, 37068), (2328, 27801), (2619, 24712), (3089, 20952), (3492, 18534), (5238, 12356), (6178, 10476), (6984, 9267)]