8245980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{751}}^1$

素因数の和:827

約数の個数: 72

約数和(自身を含む): 25456704

約数和(自身を除く): 17210724

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 61, 90, 122, 180, 183, 244, 305, 366, 549, 610, 732, 751, 915, 1098, 1220, 1502, 1830, 2196, 2253, 2745, 3004, 3660, 3755, 4506, 5490, 6759, 7510, 9012, 10980, 11265, 13518, 15020, 22530, 27036, 33795, 45060, 45811, 67590, 91622, 135180, 137433, 183244, 229055, 274866, 412299, 458110, 549732, 687165, 824598, 916220, 1374330, 1649196, 2061495, 2748660, 4122990, 8245980]

約数ペア:

[(1, 8245980), (2, 4122990), (3, 2748660), (4, 2061495), (5, 1649196), (6, 1374330), (9, 916220), (10, 824598), (12, 687165), (15, 549732), (18, 458110), (20, 412299), (30, 274866), (36, 229055), (45, 183244), (60, 137433), (61, 135180), (90, 91622), (122, 67590), (180, 45811), (183, 45060), (244, 33795), (305, 27036), (366, 22530), (549, 15020), (610, 13518), (732, 11265), (751, 10980), (915, 9012), (1098, 7510), (1220, 6759), (1502, 5490), (1830, 4506), (2196, 3755), (2253, 3660), (2745, 3004)]