12416820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{15919}}^1$

素因数の和:15944

約数の個数: 48

約数和(自身を含む): 37443840

約数和(自身を除く): 25027020

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 15919, 31838, 47757, 63676, 79595, 95514, 159190, 191028, 206947, 238785, 318380, 413894, 477570, 620841, 827788, 955140, 1034735, 1241682, 2069470, 2483364, 3104205, 4138940, 6208410, 12416820]

約数ペア:

[(1, 12416820), (2, 6208410), (3, 4138940), (4, 3104205), (5, 2483364), (6, 2069470), (10, 1241682), (12, 1034735), (13, 955140), (15, 827788), (20, 620841), (26, 477570), (30, 413894), (39, 318380), (52, 238785), (60, 206947), (65, 191028), (78, 159190), (130, 95514), (156, 79595), (195, 63676), (260, 47757), (390, 31838), (780, 15919)]