216988480

素因数分解:

$2^6\times 5^1\times {\mathrm{109}}^1\times {\mathrm{6221}}^1$

素因数の和:6347

約数の個数: 56

約数和(自身を含む): 521528040

約数和(自身を除く): 304539560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 109, 160, 218, 320, 436, 545, 872, 1090, 1744, 2180, 3488, 4360, 6221, 6976, 8720, 12442, 17440, 24884, 31105, 34880, 49768, 62210, 99536, 124420, 199072, 248840, 398144, 497680, 678089, 995360, 1356178, 1990720, 2712356, 3390445, 5424712, 6780890, 10849424, 13561780, 21698848, 27123560, 43397696, 54247120, 108494240, 216988480]

約数ペア:

[(1, 216988480), (2, 108494240), (4, 54247120), (5, 43397696), (8, 27123560), (10, 21698848), (16, 13561780), (20, 10849424), (32, 6780890), (40, 5424712), (64, 3390445), (80, 2712356), (109, 1990720), (160, 1356178), (218, 995360), (320, 678089), (436, 497680), (545, 398144), (872, 248840), (1090, 199072), (1744, 124420), (2180, 99536), (3488, 62210), (4360, 49768), (6221, 34880), (6976, 31105), (8720, 24884), (12442, 17440)]