248496660

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{51131}}^1$

素因数の和:51155

約数の個数: 72

約数和(自身を含む): 781706016

約数和(自身を除く): 533209356

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 243, 270, 324, 405, 486, 540, 810, 972, 1215, 1620, 2430, 4860, 51131, 102262, 153393, 204524, 255655, 306786, 460179, 511310, 613572, 766965, 920358, 1022620, 1380537, 1533930, 1840716, 2300895, 2761074, 3067860, 4141611, 4601790, 5522148, 6902685, 8283222, 9203580, 12424833, 13805370, 16566444, 20708055, 24849666, 27610740, 41416110, 49699332, 62124165, 82832220, 124248330, 248496660]

約数ペア:

[(1, 248496660), (2, 124248330), (3, 82832220), (4, 62124165), (5, 49699332), (6, 41416110), (9, 27610740), (10, 24849666), (12, 20708055), (15, 16566444), (18, 13805370), (20, 12424833), (27, 9203580), (30, 8283222), (36, 6902685), (45, 5522148), (54, 4601790), (60, 4141611), (81, 3067860), (90, 2761074), (108, 2300895), (135, 1840716), (162, 1533930), (180, 1380537), (243, 1022620), (270, 920358), (324, 766965), (405, 613572), (486, 511310), (540, 460179), (810, 306786), (972, 255655), (1215, 204524), (1620, 153393), (2430, 102262), (4860, 51131)]