9181980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{1759}}^1$

素因数の和:1803

約数の個数: 72

約数和(自身を含む): 28828800

約数和(自身を除く): 19646820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 45, 58, 60, 87, 90, 116, 145, 174, 180, 261, 290, 348, 435, 522, 580, 870, 1044, 1305, 1740, 1759, 2610, 3518, 5220, 5277, 7036, 8795, 10554, 15831, 17590, 21108, 26385, 31662, 35180, 51011, 52770, 63324, 79155, 102022, 105540, 153033, 158310, 204044, 255055, 306066, 316620, 459099, 510110, 612132, 765165, 918198, 1020220, 1530330, 1836396, 2295495, 3060660, 4590990, 9181980]

約数ペア:

[(1, 9181980), (2, 4590990), (3, 3060660), (4, 2295495), (5, 1836396), (6, 1530330), (9, 1020220), (10, 918198), (12, 765165), (15, 612132), (18, 510110), (20, 459099), (29, 316620), (30, 306066), (36, 255055), (45, 204044), (58, 158310), (60, 153033), (87, 105540), (90, 102022), (116, 79155), (145, 63324), (174, 52770), (180, 51011), (261, 35180), (290, 31662), (348, 26385), (435, 21108), (522, 17590), (580, 15831), (870, 10554), (1044, 8795), (1305, 7036), (1740, 5277), (1759, 5220), (2610, 3518)]