123198270

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{315893}}^1$

素因数の和:315916

約数の個数: 32

約数和(自身を含む): 318421152

約数和(自身を除く): 195222882

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 315893, 631786, 947679, 1579465, 1895358, 3158930, 4106609, 4738395, 8213218, 9476790, 12319827, 20533045, 24639654, 41066090, 61599135, 123198270]

約数ペア:

[(1, 123198270), (2, 61599135), (3, 41066090), (5, 24639654), (6, 20533045), (10, 12319827), (13, 9476790), (15, 8213218), (26, 4738395), (30, 4106609), (39, 3158930), (65, 1895358), (78, 1579465), (130, 947679), (195, 631786), (390, 315893)]