80123580

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{49459}}^1$

素因数の和:49480

約数の個数: 60

約数和(自身を含む): 251355720

約数和(自身を除く): 171232140

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, 270, 324, 405, 540, 810, 1620, 49459, 98918, 148377, 197836, 247295, 296754, 445131, 494590, 593508, 741885, 890262, 989180, 1335393, 1483770, 1780524, 2225655, 2670786, 2967540, 4006179, 4451310, 5341572, 6676965, 8012358, 8902620, 13353930, 16024716, 20030895, 26707860, 40061790, 80123580]

約数ペア:

[(1, 80123580), (2, 40061790), (3, 26707860), (4, 20030895), (5, 16024716), (6, 13353930), (9, 8902620), (10, 8012358), (12, 6676965), (15, 5341572), (18, 4451310), (20, 4006179), (27, 2967540), (30, 2670786), (36, 2225655), (45, 1780524), (54, 1483770), (60, 1335393), (81, 989180), (90, 890262), (108, 741885), (135, 593508), (162, 494590), (180, 445131), (270, 296754), (324, 247295), (405, 197836), (540, 148377), (810, 98918), (1620, 49459)]