17785980

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{10979}}^1$

素因数の和:11000

約数の個数: 60

約数和(自身を含む): 55800360

約数和(自身を除く): 38014380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 10979, 21958, 32937, 43916, 54895, 65874, 98811, 109790, 131748, 164685, 197622, 219580, 296433, 329370, 395244, 494055, 592866, 658740, 889299, 988110, 1185732, 1482165, 1778598, 1976220, 2964330, 3557196, 4446495, 5928660, 8892990, 17785980]

約数ペア:

[(1, 17785980), (2, 8892990), (3, 5928660), (4, 4446495), (5, 3557196), (6, 2964330), (9, 1976220), (10, 1778598), (12, 1482165), (15, 1185732), (18, 988110), (20, 889299), (27, 658740), (30, 592866), (36, 494055), (45, 395244), (54, 329370), (60, 296433), (81, 219580), (90, 197622), (108, 164685), (135, 131748), (162, 109790), (180, 98811), (270, 65874), (324, 54895), (405, 43916), (540, 32937), (810, 21958), (1620, 10979)]