18337680

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{25469}}^1$

素因数の和:25488

約数の個数: 60

約数和(自身を含む): 61586460

約数和(自身を除く): 43248780

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 25469, 50938, 76407, 101876, 127345, 152814, 203752, 229221, 254690, 305628, 382035, 407504, 458442, 509380, 611256, 764070, 916884, 1018760, 1146105, 1222512, 1528140, 1833768, 2037520, 2292210, 3056280, 3667536, 4584420, 6112560, 9168840, 18337680]

約数ペア:

[(1, 18337680), (2, 9168840), (3, 6112560), (4, 4584420), (5, 3667536), (6, 3056280), (8, 2292210), (9, 2037520), (10, 1833768), (12, 1528140), (15, 1222512), (16, 1146105), (18, 1018760), (20, 916884), (24, 764070), (30, 611256), (36, 509380), (40, 458442), (45, 407504), (48, 382035), (60, 305628), (72, 254690), (80, 229221), (90, 203752), (120, 152814), (144, 127345), (180, 101876), (240, 76407), (360, 50938), (720, 25469)]