1280431872

素因数分解:

$2^8\times 3^2\times {\mathrm{555743}}^1$

素因数の和:555765

約数の個数: 54

約数和(自身を含む): 3691807392

約数和(自身を除く): 2411375520

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 128, 144, 192, 256, 288, 384, 576, 768, 1152, 2304, 555743, 1111486, 1667229, 2222972, 3334458, 4445944, 5001687, 6668916, 8891888, 10003374, 13337832, 17783776, 20006748, 26675664, 35567552, 40013496, 53351328, 71135104, 80026992, 106702656, 142270208, 160053984, 213405312, 320107968, 426810624, 640215936, 1280431872]

約数ペア:

[(1, 1280431872), (2, 640215936), (3, 426810624), (4, 320107968), (6, 213405312), (8, 160053984), (9, 142270208), (12, 106702656), (16, 80026992), (18, 71135104), (24, 53351328), (32, 40013496), (36, 35567552), (48, 26675664), (64, 20006748), (72, 17783776), (96, 13337832), (128, 10003374), (144, 8891888), (192, 6668916), (256, 5001687), (288, 4445944), (384, 3334458), (576, 2222972), (768, 1667229), (1152, 1111486), (2304, 555743)]