264567040

素因数分解:

$2^8\times 5^1\times {\mathrm{139}}^1\times {\mathrm{1487}}^1$

素因数の和:1647

約数の個数: 72

約数和(自身を含む): 638709120

約数和(自身を除く): 374142080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 139, 160, 256, 278, 320, 556, 640, 695, 1112, 1280, 1390, 1487, 2224, 2780, 2974, 4448, 5560, 5948, 7435, 8896, 11120, 11896, 14870, 17792, 22240, 23792, 29740, 35584, 44480, 47584, 59480, 88960, 95168, 118960, 177920, 190336, 206693, 237920, 380672, 413386, 475840, 826772, 951680, 1033465, 1653544, 1903360, 2066930, 3307088, 4133860, 6614176, 8267720, 13228352, 16535440, 26456704, 33070880, 52913408, 66141760, 132283520, 264567040]

約数ペア:

[(1, 264567040), (2, 132283520), (4, 66141760), (5, 52913408), (8, 33070880), (10, 26456704), (16, 16535440), (20, 13228352), (32, 8267720), (40, 6614176), (64, 4133860), (80, 3307088), (128, 2066930), (139, 1903360), (160, 1653544), (256, 1033465), (278, 951680), (320, 826772), (556, 475840), (640, 413386), (695, 380672), (1112, 237920), (1280, 206693), (1390, 190336), (1487, 177920), (2224, 118960), (2780, 95168), (2974, 88960), (4448, 59480), (5560, 47584), (5948, 44480), (7435, 35584), (8896, 29740), (11120, 23792), (11896, 22240), (14870, 17792)]