168025980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{20147}}^1$

素因数の和:20298

約数の個数: 48

約数和(自身を含む): 473880960

約数和(自身を除く): 305854980

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 139, 278, 417, 556, 695, 834, 1390, 1668, 2085, 2780, 4170, 8340, 20147, 40294, 60441, 80588, 100735, 120882, 201470, 241764, 302205, 402940, 604410, 1208820, 2800433, 5600866, 8401299, 11201732, 14002165, 16802598, 28004330, 33605196, 42006495, 56008660, 84012990, 168025980]

約数ペア:

[(1, 168025980), (2, 84012990), (3, 56008660), (4, 42006495), (5, 33605196), (6, 28004330), (10, 16802598), (12, 14002165), (15, 11201732), (20, 8401299), (30, 5600866), (60, 2800433), (139, 1208820), (278, 604410), (417, 402940), (556, 302205), (695, 241764), (834, 201470), (1390, 120882), (1668, 100735), (2085, 80588), (2780, 60441), (4170, 40294), (8340, 20147)]