2813940

素因数分解:

$2^2\times 3^6\times 5^1\times {\mathrm{193}}^1$

素因数の和:220

約数の個数: 84

約数和(自身を含む): 8905764

約数和(自身を除く): 6091824

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, 193, 243, 270, 324, 386, 405, 486, 540, 579, 729, 772, 810, 965, 972, 1158, 1215, 1458, 1620, 1737, 1930, 2316, 2430, 2895, 2916, 3474, 3645, 3860, 4860, 5211, 5790, 6948, 7290, 8685, 10422, 11580, 14580, 15633, 17370, 20844, 26055, 31266, 34740, 46899, 52110, 62532, 78165, 93798, 104220, 140697, 156330, 187596, 234495, 281394, 312660, 468990, 562788, 703485, 937980, 1406970, 2813940]

約数ペア:

[(1, 2813940), (2, 1406970), (3, 937980), (4, 703485), (5, 562788), (6, 468990), (9, 312660), (10, 281394), (12, 234495), (15, 187596), (18, 156330), (20, 140697), (27, 104220), (30, 93798), (36, 78165), (45, 62532), (54, 52110), (60, 46899), (81, 34740), (90, 31266), (108, 26055), (135, 20844), (162, 17370), (180, 15633), (193, 14580), (243, 11580), (270, 10422), (324, 8685), (386, 7290), (405, 6948), (486, 5790), (540, 5211), (579, 4860), (729, 3860), (772, 3645), (810, 3474), (965, 2916), (972, 2895), (1158, 2430), (1215, 2316), (1458, 1930), (1620, 1737)]