261104080

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^2\times {\mathrm{9041}}^1$

素因数の和:9092

約数の個数: 60

約数和(自身を含む): 640770372

約数和(自身を除く): 379666292

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 361, 380, 722, 760, 1444, 1520, 1805, 2888, 3610, 5776, 7220, 9041, 14440, 18082, 28880, 36164, 45205, 72328, 90410, 144656, 171779, 180820, 343558, 361640, 687116, 723280, 858895, 1374232, 1717790, 2748464, 3263801, 3435580, 6527602, 6871160, 13055204, 13742320, 16319005, 26110408, 32638010, 52220816, 65276020, 130552040, 261104080]

約数ペア:

[(1, 261104080), (2, 130552040), (4, 65276020), (5, 52220816), (8, 32638010), (10, 26110408), (16, 16319005), (19, 13742320), (20, 13055204), (38, 6871160), (40, 6527602), (76, 3435580), (80, 3263801), (95, 2748464), (152, 1717790), (190, 1374232), (304, 858895), (361, 723280), (380, 687116), (722, 361640), (760, 343558), (1444, 180820), (1520, 171779), (1805, 144656), (2888, 90410), (3610, 72328), (5776, 45205), (7220, 36164), (9041, 28880), (14440, 18082)]