123217680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{513407}}^1$

素因数の和:513423

約数の個数: 40

約数和(自身を含む): 381975552

約数和(自身を除く): 258757872

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 513407, 1026814, 1540221, 2053628, 2567035, 3080442, 4107256, 5134070, 6160884, 7701105, 8214512, 10268140, 12321768, 15402210, 20536280, 24643536, 30804420, 41072560, 61608840, 123217680]

約数ペア:

[(1, 123217680), (2, 61608840), (3, 41072560), (4, 30804420), (5, 24643536), (6, 20536280), (8, 15402210), (10, 12321768), (12, 10268140), (15, 8214512), (16, 7701105), (20, 6160884), (24, 5134070), (30, 4107256), (40, 3080442), (48, 2567035), (60, 2053628), (80, 1540221), (120, 1026814), (240, 513407)]