18710280

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{51973}}^1$

素因数の和:51990

約数の個数: 48

約数和(自身を含む): 60809580

約数和(自身を除く): 42099300

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, 51973, 103946, 155919, 207892, 259865, 311838, 415784, 467757, 519730, 623676, 779595, 935514, 1039460, 1247352, 1559190, 1871028, 2078920, 2338785, 3118380, 3742056, 4677570, 6236760, 9355140, 18710280]

約数ペア:

[(1, 18710280), (2, 9355140), (3, 6236760), (4, 4677570), (5, 3742056), (6, 3118380), (8, 2338785), (9, 2078920), (10, 1871028), (12, 1559190), (15, 1247352), (18, 1039460), (20, 935514), (24, 779595), (30, 623676), (36, 519730), (40, 467757), (45, 415784), (60, 311838), (72, 259865), (90, 207892), (120, 155919), (180, 103946), (360, 51973)]