80240220

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{49531}}^1$

素因数の和:49552

約数の個数: 60

約数和(自身を含む): 251721624

約数和(自身を除く): 171481404

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 49531, 99062, 148593, 198124, 247655, 297186, 445779, 495310, 594372, 742965, 891558, 990620, 1337337, 1485930, 1783116, 2228895, 2674674, 2971860, 4012011, 4457790, 5349348, 6686685, 8024022, 8915580, 13373370, 16048044, 20060055, 26746740, 40120110, 80240220]

約数ペア:

[(1, 80240220), (2, 40120110), (3, 26746740), (4, 20060055), (5, 16048044), (6, 13373370), (9, 8915580), (10, 8024022), (12, 6686685), (15, 5349348), (18, 4457790), (20, 4012011), (27, 2971860), (30, 2674674), (36, 2228895), (45, 1783116), (54, 1485930), (60, 1337337), (81, 990620), (90, 891558), (108, 742965), (135, 594372), (162, 495310), (180, 445779), (270, 297186), (324, 247655), (405, 198124), (540, 148593), (810, 99062), (1620, 49531)]