70871920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{271}}^1\times {\mathrm{467}}^1$

素因数の和:758

約数の個数: 80

約数和(自身を含む): 189416448

約数和(自身を除く): 118544528

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 271, 280, 467, 542, 560, 934, 1084, 1355, 1868, 1897, 2168, 2335, 2710, 3269, 3736, 3794, 4336, 4670, 5420, 6538, 7472, 7588, 9340, 9485, 10840, 13076, 15176, 16345, 18680, 18970, 21680, 26152, 30352, 32690, 37360, 37940, 52304, 65380, 75880, 126557, 130760, 151760, 253114, 261520, 506228, 632785, 885899, 1012456, 1265570, 1771798, 2024912, 2531140, 3543596, 4429495, 5062280, 7087192, 8858990, 10124560, 14174384, 17717980, 35435960, 70871920]

約数ペア:

[(1, 70871920), (2, 35435960), (4, 17717980), (5, 14174384), (7, 10124560), (8, 8858990), (10, 7087192), (14, 5062280), (16, 4429495), (20, 3543596), (28, 2531140), (35, 2024912), (40, 1771798), (56, 1265570), (70, 1012456), (80, 885899), (112, 632785), (140, 506228), (271, 261520), (280, 253114), (467, 151760), (542, 130760), (560, 126557), (934, 75880), (1084, 65380), (1355, 52304), (1868, 37940), (1897, 37360), (2168, 32690), (2335, 30352), (2710, 26152), (3269, 21680), (3736, 18970), (3794, 18680), (4336, 16345), (4670, 15176), (5420, 13076), (6538, 10840), (7472, 9485), (7588, 9340)]