81282720

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{169339}}^1$

素因数の和:169357

約数の個数: 48

約数和(自身を含む): 256042080

約数和(自身を除く): 174759360

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, 169339, 338678, 508017, 677356, 846695, 1016034, 1354712, 1693390, 2032068, 2540085, 2709424, 3386780, 4064136, 5080170, 5418848, 6773560, 8128272, 10160340, 13547120, 16256544, 20320680, 27094240, 40641360, 81282720]

約数ペア:

[(1, 81282720), (2, 40641360), (3, 27094240), (4, 20320680), (5, 16256544), (6, 13547120), (8, 10160340), (10, 8128272), (12, 6773560), (15, 5418848), (16, 5080170), (20, 4064136), (24, 3386780), (30, 2709424), (32, 2540085), (40, 2032068), (48, 1693390), (60, 1354712), (80, 1016034), (96, 846695), (120, 677356), (160, 508017), (240, 338678), (480, 169339)]