68617980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{10303}}^1$

素因数の和:10355

約数の個数: 72

約数和(自身を含む): 213787392

約数和(自身を除く): 145169412

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 37, 45, 60, 74, 90, 111, 148, 180, 185, 222, 333, 370, 444, 555, 666, 740, 1110, 1332, 1665, 2220, 3330, 6660, 10303, 20606, 30909, 41212, 51515, 61818, 92727, 103030, 123636, 154545, 185454, 206060, 309090, 370908, 381211, 463635, 618180, 762422, 927270, 1143633, 1524844, 1854540, 1906055, 2287266, 3430899, 3812110, 4574532, 5718165, 6861798, 7624220, 11436330, 13723596, 17154495, 22872660, 34308990, 68617980]

約数ペア:

[(1, 68617980), (2, 34308990), (3, 22872660), (4, 17154495), (5, 13723596), (6, 11436330), (9, 7624220), (10, 6861798), (12, 5718165), (15, 4574532), (18, 3812110), (20, 3430899), (30, 2287266), (36, 1906055), (37, 1854540), (45, 1524844), (60, 1143633), (74, 927270), (90, 762422), (111, 618180), (148, 463635), (180, 381211), (185, 370908), (222, 309090), (333, 206060), (370, 185454), (444, 154545), (555, 123636), (666, 103030), (740, 92727), (1110, 61818), (1332, 51515), (1665, 41212), (2220, 30909), (3330, 20606), (6660, 10303)]