209254680

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{581263}}^1$

素因数の和:581280

約数の個数: 48

約数和(自身を含む): 680078880

約数和(自身を除く): 470824200

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, 581263, 1162526, 1743789, 2325052, 2906315, 3487578, 4650104, 5231367, 5812630, 6975156, 8718945, 10462734, 11625260, 13950312, 17437890, 20925468, 23250520, 26156835, 34875780, 41850936, 52313670, 69751560, 104627340, 209254680]

約数ペア:

[(1, 209254680), (2, 104627340), (3, 69751560), (4, 52313670), (5, 41850936), (6, 34875780), (8, 26156835), (9, 23250520), (10, 20925468), (12, 17437890), (15, 13950312), (18, 11625260), (20, 10462734), (24, 8718945), (30, 6975156), (36, 5812630), (40, 5231367), (45, 4650104), (60, 3487578), (72, 2906315), (90, 2325052), (120, 1743789), (180, 1162526), (360, 581263)]