55531800

素因数分解:

$2^3\times 3^2\times 5^2\times {\mathrm{30851}}^1$

素因数の和:30873

約数の個数: 72

約数和(自身を含む): 186500340

約数和(自身を除く): 130968540

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 30, 36, 40, 45, 50, 60, 72, 75, 90, 100, 120, 150, 180, 200, 225, 300, 360, 450, 600, 900, 1800, 30851, 61702, 92553, 123404, 154255, 185106, 246808, 277659, 308510, 370212, 462765, 555318, 617020, 740424, 771275, 925530, 1110636, 1234040, 1388295, 1542550, 1851060, 2221272, 2313825, 2776590, 3085100, 3702120, 4627650, 5553180, 6170200, 6941475, 9255300, 11106360, 13882950, 18510600, 27765900, 55531800]

約数ペア:

[(1, 55531800), (2, 27765900), (3, 18510600), (4, 13882950), (5, 11106360), (6, 9255300), (8, 6941475), (9, 6170200), (10, 5553180), (12, 4627650), (15, 3702120), (18, 3085100), (20, 2776590), (24, 2313825), (25, 2221272), (30, 1851060), (36, 1542550), (40, 1388295), (45, 1234040), (50, 1110636), (60, 925530), (72, 771275), (75, 740424), (90, 617020), (100, 555318), (120, 462765), (150, 370212), (180, 308510), (200, 277659), (225, 246808), (300, 185106), (360, 154255), (450, 123404), (600, 92553), (900, 61702), (1800, 30851)]