268431040

素因数分解:

$2^6\times 5^1\times {\mathrm{743}}^1\times {\mathrm{1129}}^1$

素因数の和:1889

約数の個数: 56

約数和(自身を含む): 640628640

約数和(自身を除く): 372197600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 743, 1129, 1486, 2258, 2972, 3715, 4516, 5645, 5944, 7430, 9032, 11290, 11888, 14860, 18064, 22580, 23776, 29720, 36128, 45160, 47552, 59440, 72256, 90320, 118880, 180640, 237760, 361280, 838847, 1677694, 3355388, 4194235, 6710776, 8388470, 13421552, 16776940, 26843104, 33553880, 53686208, 67107760, 134215520, 268431040]

約数ペア:

[(1, 268431040), (2, 134215520), (4, 67107760), (5, 53686208), (8, 33553880), (10, 26843104), (16, 16776940), (20, 13421552), (32, 8388470), (40, 6710776), (64, 4194235), (80, 3355388), (160, 1677694), (320, 838847), (743, 361280), (1129, 237760), (1486, 180640), (2258, 118880), (2972, 90320), (3715, 72256), (4516, 59440), (5645, 47552), (5944, 45160), (7430, 36128), (9032, 29720), (11290, 23776), (11888, 22580), (14860, 18064)]