123453420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89459}}^1$

素因数の和:89494

約数の個数: 48

約数和(自身を含む): 360702720

約数和(自身を除く): 237249300

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 115, 138, 230, 276, 345, 460, 690, 1380, 89459, 178918, 268377, 357836, 447295, 536754, 894590, 1073508, 1341885, 1789180, 2057557, 2683770, 4115114, 5367540, 6172671, 8230228, 10287785, 12345342, 20575570, 24690684, 30863355, 41151140, 61726710, 123453420]

約数ペア:

[(1, 123453420), (2, 61726710), (3, 41151140), (4, 30863355), (5, 24690684), (6, 20575570), (10, 12345342), (12, 10287785), (15, 8230228), (20, 6172671), (23, 5367540), (30, 4115114), (46, 2683770), (60, 2057557), (69, 1789180), (92, 1341885), (115, 1073508), (138, 894590), (230, 536754), (276, 447295), (345, 357836), (460, 268377), (690, 178918), (1380, 89459)]