56870580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{72911}}^1$

素因数の和:72936

約数の個数: 48

約数和(自身を含む): 171489024

約数和(自身を除く): 114618444

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, 72911, 145822, 218733, 291644, 364555, 437466, 729110, 874932, 947843, 1093665, 1458220, 1895686, 2187330, 2843529, 3791372, 4374660, 4739215, 5687058, 9478430, 11374116, 14217645, 18956860, 28435290, 56870580]

約数ペア:

[(1, 56870580), (2, 28435290), (3, 18956860), (4, 14217645), (5, 11374116), (6, 9478430), (10, 5687058), (12, 4739215), (13, 4374660), (15, 3791372), (20, 2843529), (26, 2187330), (30, 1895686), (39, 1458220), (52, 1093665), (60, 947843), (65, 874932), (78, 729110), (130, 437466), (156, 364555), (195, 291644), (260, 218733), (390, 145822), (780, 72911)]