55405260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{317}}^1\times {\mathrm{971}}^1$

素因数の和:1303

約数の個数: 72

約数和(自身を含む): 168766416

約数和(自身を除く): 113361156

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 317, 634, 951, 971, 1268, 1585, 1902, 1942, 2853, 2913, 3170, 3804, 3884, 4755, 4855, 5706, 5826, 6340, 8739, 9510, 9710, 11412, 11652, 14265, 14565, 17478, 19020, 19420, 28530, 29130, 34956, 43695, 57060, 58260, 87390, 174780, 307807, 615614, 923421, 1231228, 1539035, 1846842, 2770263, 3078070, 3693684, 4617105, 5540526, 6156140, 9234210, 11081052, 13851315, 18468420, 27702630, 55405260]

約数ペア:

[(1, 55405260), (2, 27702630), (3, 18468420), (4, 13851315), (5, 11081052), (6, 9234210), (9, 6156140), (10, 5540526), (12, 4617105), (15, 3693684), (18, 3078070), (20, 2770263), (30, 1846842), (36, 1539035), (45, 1231228), (60, 923421), (90, 615614), (180, 307807), (317, 174780), (634, 87390), (951, 58260), (971, 57060), (1268, 43695), (1585, 34956), (1902, 29130), (1942, 28530), (2853, 19420), (2913, 19020), (3170, 17478), (3804, 14565), (3884, 14265), (4755, 11652), (4855, 11412), (5706, 9710), (5826, 9510), (6340, 8739)]