90971640

素因数分解:

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

素因数の和:794

約数の個数: 128

約数和(自身を含む): 306028800

約数和(自身を除く): 215057160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 131, 135, 180, 216, 262, 270, 360, 393, 524, 540, 643, 655, 786, 1048, 1080, 1179, 1286, 1310, 1572, 1929, 1965, 2358, 2572, 2620, 3144, 3215, 3537, 3858, 3930, 4716, 5144, 5240, 5787, 5895, 6430, 7074, 7716, 7860, 9432, 9645, 11574, 11790, 12860, 14148, 15432, 15720, 17361, 17685, 19290, 23148, 23580, 25720, 28296, 28935, 34722, 35370, 38580, 46296, 47160, 57870, 69444, 70740, 77160, 84233, 86805, 115740, 138888, 141480, 168466, 173610, 231480, 252699, 336932, 347220, 421165, 505398, 673864, 694440, 758097, 842330, 1010796, 1263495, 1516194, 1684660, 2021592, 2274291, 2526990, 3032388, 3369320, 3790485, 4548582, 5053980, 6064776, 7580970, 9097164, 10107960, 11371455, 15161940, 18194328, 22742910, 30323880, 45485820, 90971640]

約数ペア:

[(1, 90971640), (2, 45485820), (3, 30323880), (4, 22742910), (5, 18194328), (6, 15161940), (8, 11371455), (9, 10107960), (10, 9097164), (12, 7580970), (15, 6064776), (18, 5053980), (20, 4548582), (24, 3790485), (27, 3369320), (30, 3032388), (36, 2526990), (40, 2274291), (45, 2021592), (54, 1684660), (60, 1516194), (72, 1263495), (90, 1010796), (108, 842330), (120, 758097), (131, 694440), (135, 673864), (180, 505398), (216, 421165), (262, 347220), (270, 336932), (360, 252699), (393, 231480), (524, 173610), (540, 168466), (643, 141480), (655, 138888), (786, 115740), (1048, 86805), (1080, 84233), (1179, 77160), (1286, 70740), (1310, 69444), (1572, 57870), (1929, 47160), (1965, 46296), (2358, 38580), (2572, 35370), (2620, 34722), (3144, 28935), (3215, 28296), (3537, 25720), (3858, 23580), (3930, 23148), (4716, 19290), (5144, 17685), (5240, 17361), (5787, 15720), (5895, 15432), (6430, 14148), (7074, 12860), (7716, 11790), (7860, 11574), (9432, 9645)]