240840

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{223}}^1$

素因数の和:243

約数の個数: 64

約数和(自身を含む): 806400

約数和(自身を除く): 565560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 223, 270, 360, 446, 540, 669, 892, 1080, 1115, 1338, 1784, 2007, 2230, 2676, 3345, 4014, 4460, 5352, 6021, 6690, 8028, 8920, 10035, 12042, 13380, 16056, 20070, 24084, 26760, 30105, 40140, 48168, 60210, 80280, 120420, 240840]

約数ペア:

[(1, 240840), (2, 120420), (3, 80280), (4, 60210), (5, 48168), (6, 40140), (8, 30105), (9, 26760), (10, 24084), (12, 20070), (15, 16056), (18, 13380), (20, 12042), (24, 10035), (27, 8920), (30, 8028), (36, 6690), (40, 6021), (45, 5352), (54, 4460), (60, 4014), (72, 3345), (90, 2676), (108, 2230), (120, 2007), (135, 1784), (180, 1338), (216, 1115), (223, 1080), (270, 892), (360, 669), (446, 540)]