198237960

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{550661}}^1$

素因数の和:550678

約数の個数: 48

約数和(自身を含む): 644274540

約数和(自身を除く): 446036580

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 550661, 1101322, 1651983, 2202644, 2753305, 3303966, 4405288, 4955949, 5506610, 6607932, 8259915, 9911898, 11013220, 13215864, 16519830, 19823796, 22026440, 24779745, 33039660, 39647592, 49559490, 66079320, 99118980, 198237960]

約数ペア:

[(1, 198237960), (2, 99118980), (3, 66079320), (4, 49559490), (5, 39647592), (6, 33039660), (8, 24779745), (9, 22026440), (10, 19823796), (12, 16519830), (15, 13215864), (18, 11013220), (20, 9911898), (24, 8259915), (30, 6607932), (36, 5506610), (40, 4955949), (45, 4405288), (60, 3303966), (72, 2753305), (90, 2202644), (120, 1651983), (180, 1101322), (360, 550661)]