127515180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{163481}}^1$

素因数の和:163506

約数の個数: 48

約数和(自身を含む): 384509664

約数和(自身を除く): 256994484

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, 163481, 326962, 490443, 653924, 817405, 980886, 1634810, 1961772, 2125253, 2452215, 3269620, 4250506, 4904430, 6375759, 8501012, 9808860, 10626265, 12751518, 21252530, 25503036, 31878795, 42505060, 63757590, 127515180]

約数ペア:

[(1, 127515180), (2, 63757590), (3, 42505060), (4, 31878795), (5, 25503036), (6, 21252530), (10, 12751518), (12, 10626265), (13, 9808860), (15, 8501012), (20, 6375759), (26, 4904430), (30, 4250506), (39, 3269620), (52, 2452215), (60, 2125253), (65, 1961772), (78, 1634810), (130, 980886), (156, 817405), (195, 653924), (260, 490443), (390, 326962), (780, 163481)]