28181880

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{78283}}^1$

素因数の和:78300

約数の個数: 48

約数和(自身を含む): 91592280

約数和(自身を除く): 63410400

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 78283, 156566, 234849, 313132, 391415, 469698, 626264, 704547, 782830, 939396, 1174245, 1409094, 1565660, 1878792, 2348490, 2818188, 3131320, 3522735, 4696980, 5636376, 7045470, 9393960, 14090940, 28181880]

約数ペア:

[(1, 28181880), (2, 14090940), (3, 9393960), (4, 7045470), (5, 5636376), (6, 4696980), (8, 3522735), (9, 3131320), (10, 2818188), (12, 2348490), (15, 1878792), (18, 1565660), (20, 1409094), (24, 1174245), (30, 939396), (36, 782830), (40, 704547), (45, 626264), (60, 469698), (72, 391415), (90, 313132), (120, 234849), (180, 156566), (360, 78283)]