128794240

素因数分解:

$2^7\times 5^1\times {\mathrm{53}}^1\times {\mathrm{3797}}^1$

素因数の和:3869

約数の個数: 64

約数和(自身を含む): 313790760

約数和(自身を除く): 184996520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 53, 64, 80, 106, 128, 160, 212, 265, 320, 424, 530, 640, 848, 1060, 1696, 2120, 3392, 3797, 4240, 6784, 7594, 8480, 15188, 16960, 18985, 30376, 33920, 37970, 60752, 75940, 121504, 151880, 201241, 243008, 303760, 402482, 486016, 607520, 804964, 1006205, 1215040, 1609928, 2012410, 2430080, 3219856, 4024820, 6439712, 8049640, 12879424, 16099280, 25758848, 32198560, 64397120, 128794240]

約数ペア:

[(1, 128794240), (2, 64397120), (4, 32198560), (5, 25758848), (8, 16099280), (10, 12879424), (16, 8049640), (20, 6439712), (32, 4024820), (40, 3219856), (53, 2430080), (64, 2012410), (80, 1609928), (106, 1215040), (128, 1006205), (160, 804964), (212, 607520), (265, 486016), (320, 402482), (424, 303760), (530, 243008), (640, 201241), (848, 151880), (1060, 121504), (1696, 75940), (2120, 60752), (3392, 37970), (3797, 33920), (4240, 30376), (6784, 18985), (7594, 16960), (8480, 15188)]