90076840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{389}}^1\times {\mathrm{827}}^1$

素因数の和:1234

約数の個数: 64

約数和(自身を含む): 232502400

約数和(自身を除く): 142425560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 389, 778, 827, 1556, 1654, 1945, 2723, 3112, 3308, 3890, 4135, 5446, 5789, 6616, 7780, 8270, 10892, 11578, 13615, 15560, 16540, 21784, 23156, 27230, 28945, 33080, 46312, 54460, 57890, 108920, 115780, 231560, 321703, 643406, 1286812, 1608515, 2251921, 2573624, 3217030, 4503842, 6434060, 9007684, 11259605, 12868120, 18015368, 22519210, 45038420, 90076840]

約数ペア:

[(1, 90076840), (2, 45038420), (4, 22519210), (5, 18015368), (7, 12868120), (8, 11259605), (10, 9007684), (14, 6434060), (20, 4503842), (28, 3217030), (35, 2573624), (40, 2251921), (56, 1608515), (70, 1286812), (140, 643406), (280, 321703), (389, 231560), (778, 115780), (827, 108920), (1556, 57890), (1654, 54460), (1945, 46312), (2723, 33080), (3112, 28945), (3308, 27230), (3890, 23156), (4135, 21784), (5446, 16540), (5789, 15560), (6616, 13615), (7780, 11578), (8270, 10892)]