440280

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{1223}}^1$

素因数の和:1240

約数の個数: 48

約数和(自身を含む): 1432080

約数和(自身を除く): 991800

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, 1223, 2446, 3669, 4892, 6115, 7338, 9784, 11007, 12230, 14676, 18345, 22014, 24460, 29352, 36690, 44028, 48920, 55035, 73380, 88056, 110070, 146760, 220140, 440280]

約数ペア:

[(1, 440280), (2, 220140), (3, 146760), (4, 110070), (5, 88056), (6, 73380), (8, 55035), (9, 48920), (10, 44028), (12, 36690), (15, 29352), (18, 24460), (20, 22014), (24, 18345), (30, 14676), (36, 12230), (40, 11007), (45, 9784), (60, 7338), (72, 6115), (90, 4892), (120, 3669), (180, 2446), (360, 1223)]