128762340

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{306577}}^1$

素因数の和:306596

約数の個数: 48

約数和(自身を含む): 412040832

約数和(自身を除く): 283278492

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 306577, 613154, 919731, 1226308, 1532885, 1839462, 2146039, 3065770, 3678924, 4292078, 4598655, 6131540, 6438117, 8584156, 9197310, 10730195, 12876234, 18394620, 21460390, 25752468, 32190585, 42920780, 64381170, 128762340]

約数ペア:

[(1, 128762340), (2, 64381170), (3, 42920780), (4, 32190585), (5, 25752468), (6, 21460390), (7, 18394620), (10, 12876234), (12, 10730195), (14, 9197310), (15, 8584156), (20, 6438117), (21, 6131540), (28, 4598655), (30, 4292078), (35, 3678924), (42, 3065770), (60, 2146039), (70, 1839462), (84, 1532885), (105, 1226308), (140, 919731), (210, 613154), (420, 306577)]