128528540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{229}}^1$

素因数の和:475

約数の個数: 96

約数和(自身を含む): 327667200

約数和(自身を除く): 199138660

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 211, 229, 266, 380, 422, 458, 532, 665, 844, 916, 1055, 1145, 1330, 1477, 1603, 2110, 2290, 2660, 2954, 3206, 4009, 4220, 4351, 4580, 5908, 6412, 7385, 8015, 8018, 8702, 14770, 16030, 16036, 17404, 20045, 21755, 28063, 29540, 30457, 32060, 40090, 43510, 48319, 56126, 60914, 80180, 87020, 96638, 112252, 121828, 140315, 152285, 193276, 241595, 280630, 304570, 338233, 483190, 561260, 609140, 676466, 918061, 966380, 1352932, 1691165, 1836122, 3382330, 3672244, 4590305, 6426427, 6764660, 9180610, 12852854, 18361220, 25705708, 32132135, 64264270, 128528540]

約数ペア:

[(1, 128528540), (2, 64264270), (4, 32132135), (5, 25705708), (7, 18361220), (10, 12852854), (14, 9180610), (19, 6764660), (20, 6426427), (28, 4590305), (35, 3672244), (38, 3382330), (70, 1836122), (76, 1691165), (95, 1352932), (133, 966380), (140, 918061), (190, 676466), (211, 609140), (229, 561260), (266, 483190), (380, 338233), (422, 304570), (458, 280630), (532, 241595), (665, 193276), (844, 152285), (916, 140315), (1055, 121828), (1145, 112252), (1330, 96638), (1477, 87020), (1603, 80180), (2110, 60914), (2290, 56126), (2660, 48319), (2954, 43510), (3206, 40090), (4009, 32060), (4220, 30457), (4351, 29540), (4580, 28063), (5908, 21755), (6412, 20045), (7385, 17404), (8015, 16036), (8018, 16030), (8702, 14770)]