247339980

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{50893}}^1$

素因数の和:50917

約数の個数: 72

約数和(自身を含む): 778067472

約数和(自身を除く): 530727492

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, 50893, 101786, 152679, 203572, 254465, 305358, 458037, 508930, 610716, 763395, 916074, 1017860, 1374111, 1526790, 1832148, 2290185, 2748222, 3053580, 4122333, 4580370, 5496444, 6870555, 8244666, 9160740, 12366999, 13741110, 16489332, 20611665, 24733998, 27482220, 41223330, 49467996, 61834995, 82446660, 123669990, 247339980]

約数ペア:

[(1, 247339980), (2, 123669990), (3, 82446660), (4, 61834995), (5, 49467996), (6, 41223330), (9, 27482220), (10, 24733998), (12, 20611665), (15, 16489332), (18, 13741110), (20, 12366999), (27, 9160740), (30, 8244666), (36, 6870555), (45, 5496444), (54, 4580370), (60, 4122333), (81, 3053580), (90, 2748222), (108, 2290185), (135, 1832148), (162, 1526790), (180, 1374111), (243, 1017860), (270, 916074), (324, 763395), (405, 610716), (486, 508930), (540, 458037), (810, 305358), (972, 254465), (1215, 203572), (1620, 152679), (2430, 101786), (4860, 50893)]