549540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:129

約数の個数: 72

約数和(自身を含む): 1729728

約数和(自身を除く): 1180188

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 60, 71, 86, 90, 129, 142, 172, 180, 213, 215, 258, 284, 355, 387, 426, 430, 516, 639, 645, 710, 774, 852, 860, 1065, 1278, 1290, 1420, 1548, 1935, 2130, 2556, 2580, 3053, 3195, 3870, 4260, 6106, 6390, 7740, 9159, 12212, 12780, 15265, 18318, 27477, 30530, 36636, 45795, 54954, 61060, 91590, 109908, 137385, 183180, 274770, 549540]

約数ペア:

[(1, 549540), (2, 274770), (3, 183180), (4, 137385), (5, 109908), (6, 91590), (9, 61060), (10, 54954), (12, 45795), (15, 36636), (18, 30530), (20, 27477), (30, 18318), (36, 15265), (43, 12780), (45, 12212), (60, 9159), (71, 7740), (86, 6390), (90, 6106), (129, 4260), (142, 3870), (172, 3195), (180, 3053), (213, 2580), (215, 2556), (258, 2130), (284, 1935), (355, 1548), (387, 1420), (426, 1290), (430, 1278), (516, 1065), (639, 860), (645, 852), (710, 774)]