81502560

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{56599}}^1$

素因数の和:56620

約数の個数: 72

約数和(自身を含む): 278132400

約数和(自身を除く): 196629840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 56599, 113198, 169797, 226396, 282995, 339594, 452792, 509391, 565990, 679188, 848985, 905584, 1018782, 1131980, 1358376, 1697970, 1811168, 2037564, 2263960, 2546955, 2716752, 3395940, 4075128, 4527920, 5093910, 5433504, 6791880, 8150256, 9055840, 10187820, 13583760, 16300512, 20375640, 27167520, 40751280, 81502560]

約数ペア:

[(1, 81502560), (2, 40751280), (3, 27167520), (4, 20375640), (5, 16300512), (6, 13583760), (8, 10187820), (9, 9055840), (10, 8150256), (12, 6791880), (15, 5433504), (16, 5093910), (18, 4527920), (20, 4075128), (24, 3395940), (30, 2716752), (32, 2546955), (36, 2263960), (40, 2037564), (45, 1811168), (48, 1697970), (60, 1358376), (72, 1131980), (80, 1018782), (90, 905584), (96, 848985), (120, 679188), (144, 565990), (160, 509391), (180, 452792), (240, 339594), (288, 282995), (360, 226396), (480, 169797), (720, 113198), (1440, 56599)]