30278280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{252319}}^1$

素因数の和:252333

約数の個数: 32

約数和(自身を含む): 90835200

約数和(自身を除く): 60556920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 252319, 504638, 756957, 1009276, 1261595, 1513914, 2018552, 2523190, 3027828, 3784785, 5046380, 6055656, 7569570, 10092760, 15139140, 30278280]

約数ペア:

[(1, 30278280), (2, 15139140), (3, 10092760), (4, 7569570), (5, 6055656), (6, 5046380), (8, 3784785), (10, 3027828), (12, 2523190), (15, 2018552), (20, 1513914), (24, 1261595), (30, 1009276), (40, 756957), (60, 504638), (120, 252319)]