72465680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{129403}}^1$

素因数の和:129423

約数の個数: 40

約数和(自身を含む): 192553152

約数和(自身を除く): 120087472

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 129403, 258806, 517612, 647015, 905821, 1035224, 1294030, 1811642, 2070448, 2588060, 3623284, 4529105, 5176120, 7246568, 9058210, 10352240, 14493136, 18116420, 36232840, 72465680]

約数ペア:

[(1, 72465680), (2, 36232840), (4, 18116420), (5, 14493136), (7, 10352240), (8, 9058210), (10, 7246568), (14, 5176120), (16, 4529105), (20, 3623284), (28, 2588060), (35, 2070448), (40, 1811642), (56, 1294030), (70, 1035224), (80, 905821), (112, 647015), (140, 517612), (280, 258806), (560, 129403)]