13027980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{31019}}^1$

素因数の和:31038

約数の個数: 48

約数和(自身を含む): 41690880

約数和(自身を除く): 28662900

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 31019, 62038, 93057, 124076, 155095, 186114, 217133, 310190, 372228, 434266, 465285, 620380, 651399, 868532, 930570, 1085665, 1302798, 1861140, 2171330, 2605596, 3256995, 4342660, 6513990, 13027980]

約数ペア:

[(1, 13027980), (2, 6513990), (3, 4342660), (4, 3256995), (5, 2605596), (6, 2171330), (7, 1861140), (10, 1302798), (12, 1085665), (14, 930570), (15, 868532), (20, 651399), (21, 620380), (28, 465285), (30, 434266), (35, 372228), (42, 310190), (60, 217133), (70, 186114), (84, 155095), (105, 124076), (140, 93057), (210, 62038), (420, 31019)]