156901520

素因数分解:

$2^4\times 5^1\times {\mathrm{677}}^1\times {\mathrm{2897}}^1$

素因数の和:3587

約数の個数: 40

約数和(自身を含む): 365460984

約数和(自身を除く): 208559464

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 677, 1354, 2708, 2897, 3385, 5416, 5794, 6770, 10832, 11588, 13540, 14485, 23176, 27080, 28970, 46352, 54160, 57940, 115880, 231760, 1961269, 3922538, 7845076, 9806345, 15690152, 19612690, 31380304, 39225380, 78450760, 156901520]

約数ペア:

[(1, 156901520), (2, 78450760), (4, 39225380), (5, 31380304), (8, 19612690), (10, 15690152), (16, 9806345), (20, 7845076), (40, 3922538), (80, 1961269), (677, 231760), (1354, 115880), (2708, 57940), (2897, 54160), (3385, 46352), (5416, 28970), (5794, 27080), (6770, 23176), (10832, 14485), (11588, 13540)]