207594540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{26821}}^1$

素因数の和:26879

約数の個数: 72

約数和(自身を含む): 644371728

約数和(自身を除く): 436777188

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 60, 86, 90, 129, 172, 180, 215, 258, 387, 430, 516, 645, 774, 860, 1290, 1548, 1935, 2580, 3870, 7740, 26821, 53642, 80463, 107284, 134105, 160926, 241389, 268210, 321852, 402315, 482778, 536420, 804630, 965556, 1153303, 1206945, 1609260, 2306606, 2413890, 3459909, 4613212, 4827780, 5766515, 6919818, 10379727, 11533030, 13839636, 17299545, 20759454, 23066060, 34599090, 41518908, 51898635, 69198180, 103797270, 207594540]

約数ペア:

[(1, 207594540), (2, 103797270), (3, 69198180), (4, 51898635), (5, 41518908), (6, 34599090), (9, 23066060), (10, 20759454), (12, 17299545), (15, 13839636), (18, 11533030), (20, 10379727), (30, 6919818), (36, 5766515), (43, 4827780), (45, 4613212), (60, 3459909), (86, 2413890), (90, 2306606), (129, 1609260), (172, 1206945), (180, 1153303), (215, 965556), (258, 804630), (387, 536420), (430, 482778), (516, 402315), (645, 321852), (774, 268210), (860, 241389), (1290, 160926), (1548, 134105), (1935, 107284), (2580, 80463), (3870, 53642), (7740, 26821)]