72736740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{491}}^1\times {\mathrm{823}}^1$

素因数の和:1329

約数の個数: 72

約数和(自身を含む): 221352768

約数和(自身を除く): 148616028

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 491, 823, 982, 1473, 1646, 1964, 2455, 2469, 2946, 3292, 4115, 4419, 4910, 4938, 5892, 7365, 7407, 8230, 8838, 9820, 9876, 12345, 14730, 14814, 16460, 17676, 22095, 24690, 29460, 29628, 37035, 44190, 49380, 74070, 88380, 148140, 404093, 808186, 1212279, 1616372, 2020465, 2424558, 3636837, 4040930, 4849116, 6061395, 7273674, 8081860, 12122790, 14547348, 18184185, 24245580, 36368370, 72736740]

約数ペア:

[(1, 72736740), (2, 36368370), (3, 24245580), (4, 18184185), (5, 14547348), (6, 12122790), (9, 8081860), (10, 7273674), (12, 6061395), (15, 4849116), (18, 4040930), (20, 3636837), (30, 2424558), (36, 2020465), (45, 1616372), (60, 1212279), (90, 808186), (180, 404093), (491, 148140), (823, 88380), (982, 74070), (1473, 49380), (1646, 44190), (1964, 37035), (2455, 29628), (2469, 29460), (2946, 24690), (3292, 22095), (4115, 17676), (4419, 16460), (4910, 14814), (4938, 14730), (5892, 12345), (7365, 9876), (7407, 9820), (8230, 8838)]