1489381280

素因数分解:

$2^5\times 5^1\times {\mathrm{457}}^1\times {\mathrm{20369}}^1$

素因数の和:20841

約数の個数: 48

約数和(自身を含む): 3526535880

約数和(自身を除く): 2037154600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 457, 914, 1828, 2285, 3656, 4570, 7312, 9140, 14624, 18280, 20369, 36560, 40738, 73120, 81476, 101845, 162952, 203690, 325904, 407380, 651808, 814760, 1629520, 3259040, 9308633, 18617266, 37234532, 46543165, 74469064, 93086330, 148938128, 186172660, 297876256, 372345320, 744690640, 1489381280]

約数ペア:

[(1, 1489381280), (2, 744690640), (4, 372345320), (5, 297876256), (8, 186172660), (10, 148938128), (16, 93086330), (20, 74469064), (32, 46543165), (40, 37234532), (80, 18617266), (160, 9308633), (457, 3259040), (914, 1629520), (1828, 814760), (2285, 651808), (3656, 407380), (4570, 325904), (7312, 203690), (9140, 162952), (14624, 101845), (18280, 81476), (20369, 73120), (36560, 40738)]