209431080

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{581753}}^1$

素因数の和:581770

約数の個数: 48

約数和(自身を含む): 680652180

約数和(自身を除く): 471221100

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, 581753, 1163506, 1745259, 2327012, 2908765, 3490518, 4654024, 5235777, 5817530, 6981036, 8726295, 10471554, 11635060, 13962072, 17452590, 20943108, 23270120, 26178885, 34905180, 41886216, 52357770, 69810360, 104715540, 209431080]

約数ペア:

[(1, 209431080), (2, 104715540), (3, 69810360), (4, 52357770), (5, 41886216), (6, 34905180), (8, 26178885), (9, 23270120), (10, 20943108), (12, 17452590), (15, 13962072), (18, 11635060), (20, 10471554), (24, 8726295), (30, 6981036), (36, 5817530), (40, 5235777), (45, 4654024), (60, 3490518), (72, 2908765), (90, 2327012), (120, 1745259), (180, 1163506), (360, 581753)]