161310780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{6841}}^1$

素因数の和:6987

約数の個数: 72

約数和(自身を含む): 493116624

約数和(自身を除く): 331805844

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 131, 180, 262, 393, 524, 655, 786, 1179, 1310, 1572, 1965, 2358, 2620, 3930, 4716, 5895, 6841, 7860, 11790, 13682, 20523, 23580, 27364, 34205, 41046, 61569, 68410, 82092, 102615, 123138, 136820, 205230, 246276, 307845, 410460, 615690, 896171, 1231380, 1792342, 2688513, 3584684, 4480855, 5377026, 8065539, 8961710, 10754052, 13442565, 16131078, 17923420, 26885130, 32262156, 40327695, 53770260, 80655390, 161310780]

約数ペア:

[(1, 161310780), (2, 80655390), (3, 53770260), (4, 40327695), (5, 32262156), (6, 26885130), (9, 17923420), (10, 16131078), (12, 13442565), (15, 10754052), (18, 8961710), (20, 8065539), (30, 5377026), (36, 4480855), (45, 3584684), (60, 2688513), (90, 1792342), (131, 1231380), (180, 896171), (262, 615690), (393, 410460), (524, 307845), (655, 246276), (786, 205230), (1179, 136820), (1310, 123138), (1572, 102615), (1965, 82092), (2358, 68410), (2620, 61569), (3930, 41046), (4716, 34205), (5895, 27364), (6841, 23580), (7860, 20523), (11790, 13682)]