1520347220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1237}}^1\times {\mathrm{8779}}^1$

素因数の和:10032

約数の個数: 48

約数和(自身を含む): 3652199040

約数和(自身を除く): 2131851820

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1237, 2474, 4948, 6185, 8659, 8779, 12370, 17318, 17558, 24740, 34636, 35116, 43295, 43895, 61453, 86590, 87790, 122906, 173180, 175580, 245812, 307265, 614530, 1229060, 10859623, 21719246, 43438492, 54298115, 76017361, 108596230, 152034722, 217192460, 304069444, 380086805, 760173610, 1520347220]

約数ペア:

[(1, 1520347220), (2, 760173610), (4, 380086805), (5, 304069444), (7, 217192460), (10, 152034722), (14, 108596230), (20, 76017361), (28, 54298115), (35, 43438492), (70, 21719246), (140, 10859623), (1237, 1229060), (2474, 614530), (4948, 307265), (6185, 245812), (8659, 175580), (8779, 173180), (12370, 122906), (17318, 87790), (17558, 86590), (24740, 61453), (34636, 43895), (35116, 43295)]