263742640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{3119}}^1$

素因数の和:3290

約数の個数: 80

約数和(自身を含む): 705669120

約数和(自身を除く): 441926480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 151, 280, 302, 560, 604, 755, 1057, 1208, 1510, 2114, 2416, 3020, 3119, 4228, 5285, 6040, 6238, 8456, 10570, 12080, 12476, 15595, 16912, 21140, 21833, 24952, 31190, 42280, 43666, 49904, 62380, 84560, 87332, 109165, 124760, 174664, 218330, 249520, 349328, 436660, 470969, 873320, 941938, 1746640, 1883876, 2354845, 3296783, 3767752, 4709690, 6593566, 7535504, 9419380, 13187132, 16483915, 18838760, 26374264, 32967830, 37677520, 52748528, 65935660, 131871320, 263742640]

約数ペア:

[(1, 263742640), (2, 131871320), (4, 65935660), (5, 52748528), (7, 37677520), (8, 32967830), (10, 26374264), (14, 18838760), (16, 16483915), (20, 13187132), (28, 9419380), (35, 7535504), (40, 6593566), (56, 4709690), (70, 3767752), (80, 3296783), (112, 2354845), (140, 1883876), (151, 1746640), (280, 941938), (302, 873320), (560, 470969), (604, 436660), (755, 349328), (1057, 249520), (1208, 218330), (1510, 174664), (2114, 124760), (2416, 109165), (3020, 87332), (3119, 84560), (4228, 62380), (5285, 49904), (6040, 43666), (6238, 42280), (8456, 31190), (10570, 24952), (12080, 21833), (12476, 21140), (15595, 16912)]