153675760

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{197}}^1\times {\mathrm{199}}^1$

素因数の和:423

約数の個数: 120

約数和(自身を含む): 419839200

約数和(自身を除く): 266163440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 197, 199, 245, 280, 392, 394, 398, 490, 560, 784, 788, 796, 980, 985, 995, 1379, 1393, 1576, 1592, 1960, 1970, 1990, 2758, 2786, 3152, 3184, 3920, 3940, 3980, 5516, 5572, 6895, 6965, 7880, 7960, 9653, 9751, 11032, 11144, 13790, 13930, 15760, 15920, 19306, 19502, 22064, 22288, 27580, 27860, 38612, 39004, 39203, 48265, 48755, 55160, 55720, 77224, 78008, 78406, 96530, 97510, 110320, 111440, 154448, 156016, 156812, 193060, 195020, 196015, 274421, 313624, 386120, 390040, 392030, 548842, 627248, 772240, 780080, 784060, 1097684, 1372105, 1568120, 1920947, 2195368, 2744210, 3136240, 3841894, 4390736, 5488420, 7683788, 9604735, 10976840, 15367576, 19209470, 21953680, 30735152, 38418940, 76837880, 153675760]

約数ペア:

[(1, 153675760), (2, 76837880), (4, 38418940), (5, 30735152), (7, 21953680), (8, 19209470), (10, 15367576), (14, 10976840), (16, 9604735), (20, 7683788), (28, 5488420), (35, 4390736), (40, 3841894), (49, 3136240), (56, 2744210), (70, 2195368), (80, 1920947), (98, 1568120), (112, 1372105), (140, 1097684), (196, 784060), (197, 780080), (199, 772240), (245, 627248), (280, 548842), (392, 392030), (394, 390040), (398, 386120), (490, 313624), (560, 274421), (784, 196015), (788, 195020), (796, 193060), (980, 156812), (985, 156016), (995, 154448), (1379, 111440), (1393, 110320), (1576, 97510), (1592, 96530), (1960, 78406), (1970, 78008), (1990, 77224), (2758, 55720), (2786, 55160), (3152, 48755), (3184, 48265), (3920, 39203), (3940, 39004), (3980, 38612), (5516, 27860), (5572, 27580), (6895, 22288), (6965, 22064), (7880, 19502), (7960, 19306), (9653, 15920), (9751, 15760), (11032, 13930), (11144, 13790)]