71531280

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{99349}}^1$

素因数の和:99368

約数の個数: 60

約数和(自身を含む): 240228300

約数和(自身を除く): 168697020

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 99349, 198698, 298047, 397396, 496745, 596094, 794792, 894141, 993490, 1192188, 1490235, 1589584, 1788282, 1986980, 2384376, 2980470, 3576564, 3973960, 4470705, 4768752, 5960940, 7153128, 7947920, 8941410, 11921880, 14306256, 17882820, 23843760, 35765640, 71531280]

約数ペア:

[(1, 71531280), (2, 35765640), (3, 23843760), (4, 17882820), (5, 14306256), (6, 11921880), (8, 8941410), (9, 7947920), (10, 7153128), (12, 5960940), (15, 4768752), (16, 4470705), (18, 3973960), (20, 3576564), (24, 2980470), (30, 2384376), (36, 1986980), (40, 1788282), (45, 1589584), (48, 1490235), (60, 1192188), (72, 993490), (80, 894141), (90, 794792), (120, 596094), (144, 496745), (180, 397396), (240, 298047), (360, 198698), (720, 99349)]