77540120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{276929}}^1$

素因数の和:276947

約数の個数: 32

約数和(自身を含む): 199389600

約数和(自身を除く): 121849480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 276929, 553858, 1107716, 1384645, 1938503, 2215432, 2769290, 3877006, 5538580, 7754012, 9692515, 11077160, 15508024, 19385030, 38770060, 77540120]

約数ペア:

[(1, 77540120), (2, 38770060), (4, 19385030), (5, 15508024), (7, 11077160), (8, 9692515), (10, 7754012), (14, 5538580), (20, 3877006), (28, 2769290), (35, 2215432), (40, 1938503), (56, 1384645), (70, 1107716), (140, 553858), (280, 276929)]