331389180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{823}}^1\times {\mathrm{2237}}^1$

素因数の和:3075

約数の個数: 72

約数和(自身を含む): 1006885152

約数和(自身を除く): 675495972

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 823, 1646, 2237, 2469, 3292, 4115, 4474, 4938, 6711, 7407, 8230, 8948, 9876, 11185, 12345, 13422, 14814, 16460, 20133, 22370, 24690, 26844, 29628, 33555, 37035, 40266, 44740, 49380, 67110, 74070, 80532, 100665, 134220, 148140, 201330, 402660, 1841051, 3682102, 5523153, 7364204, 9205255, 11046306, 16569459, 18410510, 22092612, 27615765, 33138918, 36821020, 55231530, 66277836, 82847295, 110463060, 165694590, 331389180]

約数ペア:

[(1, 331389180), (2, 165694590), (3, 110463060), (4, 82847295), (5, 66277836), (6, 55231530), (9, 36821020), (10, 33138918), (12, 27615765), (15, 22092612), (18, 18410510), (20, 16569459), (30, 11046306), (36, 9205255), (45, 7364204), (60, 5523153), (90, 3682102), (180, 1841051), (823, 402660), (1646, 201330), (2237, 148140), (2469, 134220), (3292, 100665), (4115, 80532), (4474, 74070), (4938, 67110), (6711, 49380), (7407, 44740), (8230, 40266), (8948, 37035), (9876, 33555), (11185, 29628), (12345, 26844), (13422, 24690), (14814, 22370), (16460, 20133)]