290511720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{806977}}^1$

素因数の和:806994

約数の個数: 48

約数和(自身を含む): 944164260

約数和(自身を除く): 653652540

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, 806977, 1613954, 2420931, 3227908, 4034885, 4841862, 6455816, 7262793, 8069770, 9683724, 12104655, 14525586, 16139540, 19367448, 24209310, 29051172, 32279080, 36313965, 48418620, 58102344, 72627930, 96837240, 145255860, 290511720]

約数ペア:

[(1, 290511720), (2, 145255860), (3, 96837240), (4, 72627930), (5, 58102344), (6, 48418620), (8, 36313965), (9, 32279080), (10, 29051172), (12, 24209310), (15, 19367448), (18, 16139540), (20, 14525586), (24, 12104655), (30, 9683724), (36, 8069770), (40, 7262793), (45, 6455816), (60, 4841862), (72, 4034885), (90, 3227908), (120, 2420931), (180, 1613954), (360, 806977)]