67748460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{86857}}^1$

素因数の和:86882

約数の個数: 48

約数和(自身を含む): 204290016

約数和(自身を除く): 136541556

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, 86857, 173714, 260571, 347428, 434285, 521142, 868570, 1042284, 1129141, 1302855, 1737140, 2258282, 2605710, 3387423, 4516564, 5211420, 5645705, 6774846, 11291410, 13549692, 16937115, 22582820, 33874230, 67748460]

約数ペア:

[(1, 67748460), (2, 33874230), (3, 22582820), (4, 16937115), (5, 13549692), (6, 11291410), (10, 6774846), (12, 5645705), (13, 5211420), (15, 4516564), (20, 3387423), (26, 2605710), (30, 2258282), (39, 1737140), (52, 1302855), (60, 1129141), (65, 1042284), (78, 868570), (130, 521142), (156, 434285), (195, 347428), (260, 260571), (390, 173714), (780, 86857)]