1489231360

素因数分解:

$2^9\times 5^1\times {\mathrm{581731}}^1$

素因数の和:581754

約数の個数: 40

約数和(自身を含む): 3570671016

約数和(自身を除く): 2081439656

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 581731, 1163462, 2326924, 2908655, 4653848, 5817310, 9307696, 11634620, 18615392, 23269240, 37230784, 46538480, 74461568, 93076960, 148923136, 186153920, 297846272, 372307840, 744615680, 1489231360]

約数ペア:

[(1, 1489231360), (2, 744615680), (4, 372307840), (5, 297846272), (8, 186153920), (10, 148923136), (16, 93076960), (20, 74461568), (32, 46538480), (40, 37230784), (64, 23269240), (80, 18615392), (128, 11634620), (160, 9307696), (256, 5817310), (320, 4653848), (512, 2908655), (640, 2326924), (1280, 1163462), (2560, 581731)]