261882360

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{727451}}^1$

素因数の和:727468

約数の個数: 48

約数和(自身を含む): 851118840

約数和(自身を除く): 589236480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 727451, 1454902, 2182353, 2909804, 3637255, 4364706, 5819608, 6547059, 7274510, 8729412, 10911765, 13094118, 14549020, 17458824, 21823530, 26188236, 29098040, 32735295, 43647060, 52376472, 65470590, 87294120, 130941180, 261882360]

約数ペア:

[(1, 261882360), (2, 130941180), (3, 87294120), (4, 65470590), (5, 52376472), (6, 43647060), (8, 32735295), (9, 29098040), (10, 26188236), (12, 21823530), (15, 17458824), (18, 14549020), (20, 13094118), (24, 10911765), (30, 8729412), (36, 7274510), (40, 6547059), (45, 5819608), (60, 4364706), (72, 3637255), (90, 2909804), (120, 2182353), (180, 1454902), (360, 727451)]