81901120

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{36563}}^1$

素因数の和:36587

約数の個数: 56

約数和(自身を含む): 222894144

約数和(自身を除く): 140993024

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 560, 1120, 2240, 36563, 73126, 146252, 182815, 255941, 292504, 365630, 511882, 585008, 731260, 1023764, 1170016, 1279705, 1462520, 2047528, 2340032, 2559410, 2925040, 4095056, 5118820, 5850080, 8190112, 10237640, 11700160, 16380224, 20475280, 40950560, 81901120]

約数ペア:

[(1, 81901120), (2, 40950560), (4, 20475280), (5, 16380224), (7, 11700160), (8, 10237640), (10, 8190112), (14, 5850080), (16, 5118820), (20, 4095056), (28, 2925040), (32, 2559410), (35, 2340032), (40, 2047528), (56, 1462520), (64, 1279705), (70, 1170016), (80, 1023764), (112, 731260), (140, 585008), (160, 511882), (224, 365630), (280, 292504), (320, 255941), (448, 182815), (560, 146252), (1120, 73126), (2240, 36563)]