128807568

素因数分解:

$2^4\times 3^2\times {\mathrm{41}}^1\times {\mathrm{21817}}^1$

素因数の和:21872

約数の個数: 60

約数和(自身を含む): 369291468

約数和(自身を除く): 240483900

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 41, 48, 72, 82, 123, 144, 164, 246, 328, 369, 492, 656, 738, 984, 1476, 1968, 2952, 5904, 21817, 43634, 65451, 87268, 130902, 174536, 196353, 261804, 349072, 392706, 523608, 785412, 894497, 1047216, 1570824, 1788994, 2683491, 3141648, 3577988, 5366982, 7155976, 8050473, 10733964, 14311952, 16100946, 21467928, 32201892, 42935856, 64403784, 128807568]

約数ペア:

[(1, 128807568), (2, 64403784), (3, 42935856), (4, 32201892), (6, 21467928), (8, 16100946), (9, 14311952), (12, 10733964), (16, 8050473), (18, 7155976), (24, 5366982), (36, 3577988), (41, 3141648), (48, 2683491), (72, 1788994), (82, 1570824), (123, 1047216), (144, 894497), (164, 785412), (246, 523608), (328, 392706), (369, 349072), (492, 261804), (656, 196353), (738, 174536), (984, 130902), (1476, 87268), (1968, 65451), (2952, 43634), (5904, 21817)]