2012861820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{780179}}^1$

素因数の和:780234

約数の個数: 48

約数和(自身を含む): 5767090560

約数和(自身を除く): 3754228740

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 43, 60, 86, 129, 172, 215, 258, 430, 516, 645, 860, 1290, 2580, 780179, 1560358, 2340537, 3120716, 3900895, 4681074, 7801790, 9362148, 11702685, 15603580, 23405370, 33547697, 46810740, 67095394, 100643091, 134190788, 167738485, 201286182, 335476970, 402572364, 503215455, 670953940, 1006430910, 2012861820]

約数ペア:

[(1, 2012861820), (2, 1006430910), (3, 670953940), (4, 503215455), (5, 402572364), (6, 335476970), (10, 201286182), (12, 167738485), (15, 134190788), (20, 100643091), (30, 67095394), (43, 46810740), (60, 33547697), (86, 23405370), (129, 15603580), (172, 11702685), (215, 9362148), (258, 7801790), (430, 4681074), (516, 3900895), (645, 3120716), (860, 2340537), (1290, 1560358), (2580, 780179)]