15161940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{643}}^1$

素因数の和:789

約数の個数: 72

約数和(自身を含む): 46414368

約数和(自身を除く): 31252428

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, 643, 655, 786, 1179, 1286, 1310, 1572, 1929, 1965, 2358, 2572, 2620, 3215, 3858, 3930, 4716, 5787, 5895, 6430, 7716, 7860, 9645, 11574, 11790, 12860, 19290, 23148, 23580, 28935, 38580, 57870, 84233, 115740, 168466, 252699, 336932, 421165, 505398, 758097, 842330, 1010796, 1263495, 1516194, 1684660, 2526990, 3032388, 3790485, 5053980, 7580970, 15161940]

約数ペア:

[(1, 15161940), (2, 7580970), (3, 5053980), (4, 3790485), (5, 3032388), (6, 2526990), (9, 1684660), (10, 1516194), (12, 1263495), (15, 1010796), (18, 842330), (20, 758097), (30, 505398), (36, 421165), (45, 336932), (60, 252699), (90, 168466), (131, 115740), (180, 84233), (262, 57870), (393, 38580), (524, 28935), (643, 23580), (655, 23148), (786, 19290), (1179, 12860), (1286, 11790), (1310, 11574), (1572, 9645), (1929, 7860), (1965, 7716), (2358, 6430), (2572, 5895), (2620, 5787), (3215, 4716), (3858, 3930)]