42321280

素因数分解:

$2^7\times 5^1\times {\mathrm{89}}^1\times {\mathrm{743}}^1$

素因数の和:851

約数の個数: 64

約数和(自身を含む): 102448800

約数和(自身を除く): 60127520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 89, 128, 160, 178, 320, 356, 445, 640, 712, 743, 890, 1424, 1486, 1780, 2848, 2972, 3560, 3715, 5696, 5944, 7120, 7430, 11392, 11888, 14240, 14860, 23776, 28480, 29720, 47552, 56960, 59440, 66127, 95104, 118880, 132254, 237760, 264508, 330635, 475520, 529016, 661270, 1058032, 1322540, 2116064, 2645080, 4232128, 5290160, 8464256, 10580320, 21160640, 42321280]

約数ペア:

[(1, 42321280), (2, 21160640), (4, 10580320), (5, 8464256), (8, 5290160), (10, 4232128), (16, 2645080), (20, 2116064), (32, 1322540), (40, 1058032), (64, 661270), (80, 529016), (89, 475520), (128, 330635), (160, 264508), (178, 237760), (320, 132254), (356, 118880), (445, 95104), (640, 66127), (712, 59440), (743, 56960), (890, 47552), (1424, 29720), (1486, 28480), (1780, 23776), (2848, 14860), (2972, 14240), (3560, 11888), (3715, 11392), (5696, 7430), (5944, 7120)]