28307880

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{8737}}^1$

素因数の和:8760

約数の個数: 80

約数和(自身を含む): 95156820

約数和(自身を除く): 66848940

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 270, 324, 360, 405, 540, 648, 810, 1080, 1620, 3240, 8737, 17474, 26211, 34948, 43685, 52422, 69896, 78633, 87370, 104844, 131055, 157266, 174740, 209688, 235899, 262110, 314532, 349480, 393165, 471798, 524220, 629064, 707697, 786330, 943596, 1048440, 1179495, 1415394, 1572660, 1887192, 2358990, 2830788, 3145320, 3538485, 4717980, 5661576, 7076970, 9435960, 14153940, 28307880]

約数ペア:

[(1, 28307880), (2, 14153940), (3, 9435960), (4, 7076970), (5, 5661576), (6, 4717980), (8, 3538485), (9, 3145320), (10, 2830788), (12, 2358990), (15, 1887192), (18, 1572660), (20, 1415394), (24, 1179495), (27, 1048440), (30, 943596), (36, 786330), (40, 707697), (45, 629064), (54, 524220), (60, 471798), (72, 393165), (81, 349480), (90, 314532), (108, 262110), (120, 235899), (135, 209688), (162, 174740), (180, 157266), (216, 131055), (270, 104844), (324, 87370), (360, 78633), (405, 69896), (540, 52422), (648, 43685), (810, 34948), (1080, 26211), (1620, 17474), (3240, 8737)]