81306780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1355113}}^1$

素因数の和:1355125

約数の個数: 24

約数和(自身を含む): 227659152

約数和(自身を除く): 146352372

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1355113, 2710226, 4065339, 5420452, 6775565, 8130678, 13551130, 16261356, 20326695, 27102260, 40653390, 81306780]

約数ペア:

[(1, 81306780), (2, 40653390), (3, 27102260), (4, 20326695), (5, 16261356), (6, 13551130), (10, 8130678), (12, 6775565), (15, 5420452), (20, 4065339), (30, 2710226), (60, 1355113)]