18888931680

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{39351941}}^1$

素因数の和:39351959

約数の個数: 48

約数和(自身を含む): 59500136304

約数和(自身を除く): 40611204624

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, 39351941, 78703882, 118055823, 157407764, 196759705, 236111646, 314815528, 393519410, 472223292, 590279115, 629631056, 787038820, 944446584, 1180558230, 1259262112, 1574077640, 1888893168, 2361116460, 3148155280, 3777786336, 4722232920, 6296310560, 9444465840, 18888931680]

約数ペア:

[(1, 18888931680), (2, 9444465840), (3, 6296310560), (4, 4722232920), (5, 3777786336), (6, 3148155280), (8, 2361116460), (10, 1888893168), (12, 1574077640), (15, 1259262112), (16, 1180558230), (20, 944446584), (24, 787038820), (30, 629631056), (32, 590279115), (40, 472223292), (48, 393519410), (60, 314815528), (80, 236111646), (96, 196759705), (120, 157407764), (160, 118055823), (240, 78703882), (480, 39351941)]