80405280

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{55837}}^1$

素因数の和:55858

約数の個数: 72

約数和(自身を含む): 274387932

約数和(自身を除く): 193982652

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 55837, 111674, 167511, 223348, 279185, 335022, 446696, 502533, 558370, 670044, 837555, 893392, 1005066, 1116740, 1340088, 1675110, 1786784, 2010132, 2233480, 2512665, 2680176, 3350220, 4020264, 4466960, 5025330, 5360352, 6700440, 8040528, 8933920, 10050660, 13400880, 16081056, 20101320, 26801760, 40202640, 80405280]

約数ペア:

[(1, 80405280), (2, 40202640), (3, 26801760), (4, 20101320), (5, 16081056), (6, 13400880), (8, 10050660), (9, 8933920), (10, 8040528), (12, 6700440), (15, 5360352), (16, 5025330), (18, 4466960), (20, 4020264), (24, 3350220), (30, 2680176), (32, 2512665), (36, 2233480), (40, 2010132), (45, 1786784), (48, 1675110), (60, 1340088), (72, 1116740), (80, 1005066), (90, 893392), (96, 837555), (120, 670044), (144, 558370), (160, 502533), (180, 446696), (240, 335022), (288, 279185), (360, 223348), (480, 167511), (720, 111674), (1440, 55837)]