16988940

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{10487}}^1$

素因数の和:10508

約数の個数: 60

約数和(自身を含む): 53300016

約数和(自身を除く): 36311076

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, 10487, 20974, 31461, 41948, 52435, 62922, 94383, 104870, 125844, 157305, 188766, 209740, 283149, 314610, 377532, 471915, 566298, 629220, 849447, 943830, 1132596, 1415745, 1698894, 1887660, 2831490, 3397788, 4247235, 5662980, 8494470, 16988940]

約数ペア:

[(1, 16988940), (2, 8494470), (3, 5662980), (4, 4247235), (5, 3397788), (6, 2831490), (9, 1887660), (10, 1698894), (12, 1415745), (15, 1132596), (18, 943830), (20, 849447), (27, 629220), (30, 566298), (36, 471915), (45, 377532), (54, 314610), (60, 283149), (81, 209740), (90, 188766), (108, 157305), (135, 125844), (162, 104870), (180, 94383), (270, 62922), (324, 52435), (405, 41948), (540, 31461), (810, 20974), (1620, 10487)]