81874240

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{36551}}^1$

素因数の和:36575

約数の個数: 56

約数和(自身を含む): 222820992

約数和(自身を除く): 140946752

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, 36551, 73102, 146204, 182755, 255857, 292408, 365510, 511714, 584816, 731020, 1023428, 1169632, 1279285, 1462040, 2046856, 2339264, 2558570, 2924080, 4093712, 5117140, 5848160, 8187424, 10234280, 11696320, 16374848, 20468560, 40937120, 81874240]

約数ペア:

[(1, 81874240), (2, 40937120), (4, 20468560), (5, 16374848), (7, 11696320), (8, 10234280), (10, 8187424), (14, 5848160), (16, 5117140), (20, 4093712), (28, 2924080), (32, 2558570), (35, 2339264), (40, 2046856), (56, 1462040), (64, 1279285), (70, 1169632), (80, 1023428), (112, 731020), (140, 584816), (160, 511714), (224, 365510), (280, 292408), (320, 255857), (448, 182755), (560, 146204), (1120, 73102), (2240, 36551)]