640599084

素因数分解:

$2^2\times 3^3\times {\mathrm{197}}^1\times {\mathrm{30109}}^1$

素因数の和:30319

約数の個数: 48

約数和(自身を含む): 1669298400

約数和(自身を除く): 1028699316

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 197, 394, 591, 788, 1182, 1773, 2364, 3546, 5319, 7092, 10638, 21276, 30109, 60218, 90327, 120436, 180654, 270981, 361308, 541962, 812943, 1083924, 1625886, 3251772, 5931473, 11862946, 17794419, 23725892, 35588838, 53383257, 71177676, 106766514, 160149771, 213533028, 320299542, 640599084]

約数ペア:

[(1, 640599084), (2, 320299542), (3, 213533028), (4, 160149771), (6, 106766514), (9, 71177676), (12, 53383257), (18, 35588838), (27, 23725892), (36, 17794419), (54, 11862946), (108, 5931473), (197, 3251772), (394, 1625886), (591, 1083924), (788, 812943), (1182, 541962), (1773, 361308), (2364, 270981), (3546, 180654), (5319, 120436), (7092, 90327), (10638, 60218), (21276, 30109)]