220988340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1227713}}^1$

素因数の和:1227728

約数の個数: 36

約数和(自身を含む): 670331844

約数和(自身を除く): 449343504

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1227713, 2455426, 3683139, 4910852, 6138565, 7366278, 11049417, 12277130, 14732556, 18415695, 22098834, 24554260, 36831390, 44197668, 55247085, 73662780, 110494170, 220988340]

約数ペア:

[(1, 220988340), (2, 110494170), (3, 73662780), (4, 55247085), (5, 44197668), (6, 36831390), (9, 24554260), (10, 22098834), (12, 18415695), (15, 14732556), (18, 12277130), (20, 11049417), (30, 7366278), (36, 6138565), (45, 4910852), (60, 3683139), (90, 2455426), (180, 1227713)]