19505520

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{27091}}^1$

素因数の和:27110

約数の個数: 60

約数和(自身を含む): 65508456

約数和(自身を除く): 46002936

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, 27091, 54182, 81273, 108364, 135455, 162546, 216728, 243819, 270910, 325092, 406365, 433456, 487638, 541820, 650184, 812730, 975276, 1083640, 1219095, 1300368, 1625460, 1950552, 2167280, 2438190, 3250920, 3901104, 4876380, 6501840, 9752760, 19505520]

約数ペア:

[(1, 19505520), (2, 9752760), (3, 6501840), (4, 4876380), (5, 3901104), (6, 3250920), (8, 2438190), (9, 2167280), (10, 1950552), (12, 1625460), (15, 1300368), (16, 1219095), (18, 1083640), (20, 975276), (24, 812730), (30, 650184), (36, 541820), (40, 487638), (45, 433456), (48, 406365), (60, 325092), (72, 270910), (80, 243819), (90, 216728), (120, 162546), (144, 135455), (180, 108364), (240, 81273), (360, 54182), (720, 27091)]