221768960

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{467}}^1$

素因数の和:548

約数の個数: 144

約数和(自身を含む): 619871616

約数和(自身を除く): 398102656

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 53, 56, 64, 70, 80, 106, 112, 128, 140, 160, 212, 224, 256, 265, 280, 320, 371, 424, 448, 467, 530, 560, 640, 742, 848, 896, 934, 1060, 1120, 1280, 1484, 1696, 1792, 1855, 1868, 2120, 2240, 2335, 2968, 3269, 3392, 3710, 3736, 4240, 4480, 4670, 5936, 6538, 6784, 7420, 7472, 8480, 8960, 9340, 11872, 13076, 13568, 14840, 14944, 16345, 16960, 18680, 23744, 24751, 26152, 29680, 29888, 32690, 33920, 37360, 47488, 49502, 52304, 59360, 59776, 65380, 67840, 74720, 94976, 99004, 104608, 118720, 119552, 123755, 130760, 149440, 173257, 198008, 209216, 237440, 247510, 261520, 298880, 346514, 396016, 418432, 474880, 495020, 523040, 597760, 693028, 792032, 836864, 866285, 990040, 1046080, 1386056, 1584064, 1732570, 1980080, 2092160, 2772112, 3168128, 3465140, 3960160, 4184320, 5544224, 6336256, 6930280, 7920320, 11088448, 13860560, 15840640, 22176896, 27721120, 31681280, 44353792, 55442240, 110884480, 221768960]

約数ペア:

[(1, 221768960), (2, 110884480), (4, 55442240), (5, 44353792), (7, 31681280), (8, 27721120), (10, 22176896), (14, 15840640), (16, 13860560), (20, 11088448), (28, 7920320), (32, 6930280), (35, 6336256), (40, 5544224), (53, 4184320), (56, 3960160), (64, 3465140), (70, 3168128), (80, 2772112), (106, 2092160), (112, 1980080), (128, 1732570), (140, 1584064), (160, 1386056), (212, 1046080), (224, 990040), (256, 866285), (265, 836864), (280, 792032), (320, 693028), (371, 597760), (424, 523040), (448, 495020), (467, 474880), (530, 418432), (560, 396016), (640, 346514), (742, 298880), (848, 261520), (896, 247510), (934, 237440), (1060, 209216), (1120, 198008), (1280, 173257), (1484, 149440), (1696, 130760), (1792, 123755), (1855, 119552), (1868, 118720), (2120, 104608), (2240, 99004), (2335, 94976), (2968, 74720), (3269, 67840), (3392, 65380), (3710, 59776), (3736, 59360), (4240, 52304), (4480, 49502), (4670, 47488), (5936, 37360), (6538, 33920), (6784, 32690), (7420, 29888), (7472, 29680), (8480, 26152), (8960, 24751), (9340, 23744), (11872, 18680), (13076, 16960), (13568, 16345), (14840, 14944)]