18587880

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{5737}}^1$

素因数の和:5760

約数の個数: 80

約数和(自身を含む): 62486820

約数和(自身を除く): 43898940

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, 5737, 11474, 17211, 22948, 28685, 34422, 45896, 51633, 57370, 68844, 86055, 103266, 114740, 137688, 154899, 172110, 206532, 229480, 258165, 309798, 344220, 413064, 464697, 516330, 619596, 688440, 774495, 929394, 1032660, 1239192, 1548990, 1858788, 2065320, 2323485, 3097980, 3717576, 4646970, 6195960, 9293940, 18587880]

約数ペア:

[(1, 18587880), (2, 9293940), (3, 6195960), (4, 4646970), (5, 3717576), (6, 3097980), (8, 2323485), (9, 2065320), (10, 1858788), (12, 1548990), (15, 1239192), (18, 1032660), (20, 929394), (24, 774495), (27, 688440), (30, 619596), (36, 516330), (40, 464697), (45, 413064), (54, 344220), (60, 309798), (72, 258165), (81, 229480), (90, 206532), (108, 172110), (120, 154899), (135, 137688), (162, 114740), (180, 103266), (216, 86055), (270, 68844), (324, 57370), (360, 51633), (405, 45896), (540, 34422), (648, 28685), (810, 22948), (1080, 17211), (1620, 11474), (3240, 5737)]