179806720

素因数分解:

$2^9\times 5^1\times {\mathrm{70237}}^1$

素因数の和:70260

約数の個数: 40

約数和(自身を含む): 431120844

約数和(自身を除く): 251314124

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 70237, 140474, 280948, 351185, 561896, 702370, 1123792, 1404740, 2247584, 2809480, 4495168, 5618960, 8990336, 11237920, 17980672, 22475840, 35961344, 44951680, 89903360, 179806720]

約数ペア:

[(1, 179806720), (2, 89903360), (4, 44951680), (5, 35961344), (8, 22475840), (10, 17980672), (16, 11237920), (20, 8990336), (32, 5618960), (40, 4495168), (64, 2809480), (80, 2247584), (128, 1404740), (160, 1123792), (256, 702370), (320, 561896), (512, 351185), (640, 280948), (1280, 140474), (2560, 70237)]