212868180

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{168943}}^1$

素因数の和:168965

約数の個数: 72

約数和(自身を含む): 737947392

約数和(自身を除く): 525079212

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 168943, 337886, 506829, 675772, 844715, 1013658, 1182601, 1520487, 1689430, 2027316, 2365202, 2534145, 3040974, 3378860, 3547803, 4730404, 5068290, 5913005, 6081948, 7095606, 7602435, 10136580, 10643409, 11826010, 14191212, 15204870, 17739015, 21286818, 23652020, 30409740, 35478030, 42573636, 53217045, 70956060, 106434090, 212868180]

約数ペア:

[(1, 212868180), (2, 106434090), (3, 70956060), (4, 53217045), (5, 42573636), (6, 35478030), (7, 30409740), (9, 23652020), (10, 21286818), (12, 17739015), (14, 15204870), (15, 14191212), (18, 11826010), (20, 10643409), (21, 10136580), (28, 7602435), (30, 7095606), (35, 6081948), (36, 5913005), (42, 5068290), (45, 4730404), (60, 3547803), (63, 3378860), (70, 3040974), (84, 2534145), (90, 2365202), (105, 2027316), (126, 1689430), (140, 1520487), (180, 1182601), (210, 1013658), (252, 844715), (315, 675772), (420, 506829), (630, 337886), (1260, 168943)]