308905440

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{643553}}^1$

素因数の和:643571

約数の個数: 48

約数和(自身を含む): 973053648

約数和(自身を除く): 664148208

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 643553, 1287106, 1930659, 2574212, 3217765, 3861318, 5148424, 6435530, 7722636, 9653295, 10296848, 12871060, 15445272, 19306590, 20593696, 25742120, 30890544, 38613180, 51484240, 61781088, 77226360, 102968480, 154452720, 308905440]

約数ペア:

[(1, 308905440), (2, 154452720), (3, 102968480), (4, 77226360), (5, 61781088), (6, 51484240), (8, 38613180), (10, 30890544), (12, 25742120), (15, 20593696), (16, 19306590), (20, 15445272), (24, 12871060), (30, 10296848), (32, 9653295), (40, 7722636), (48, 6435530), (60, 5148424), (80, 3861318), (96, 3217765), (120, 2574212), (160, 1930659), (240, 1287106), (480, 643553)]