85737680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{283}}^1\times {\mathrm{541}}^1$

素因数の和:844

約数の個数: 80

約数和(自身を含む): 229044864

約数和(自身を除く): 143307184

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 283, 541, 560, 566, 1082, 1132, 1415, 1981, 2164, 2264, 2705, 2830, 3787, 3962, 4328, 4528, 5410, 5660, 7574, 7924, 8656, 9905, 10820, 11320, 15148, 15848, 18935, 19810, 21640, 22640, 30296, 31696, 37870, 39620, 43280, 60592, 75740, 79240, 151480, 153103, 158480, 302960, 306206, 612412, 765515, 1071721, 1224824, 1531030, 2143442, 2449648, 3062060, 4286884, 5358605, 6124120, 8573768, 10717210, 12248240, 17147536, 21434420, 42868840, 85737680]

約数ペア:

[(1, 85737680), (2, 42868840), (4, 21434420), (5, 17147536), (7, 12248240), (8, 10717210), (10, 8573768), (14, 6124120), (16, 5358605), (20, 4286884), (28, 3062060), (35, 2449648), (40, 2143442), (56, 1531030), (70, 1224824), (80, 1071721), (112, 765515), (140, 612412), (280, 306206), (283, 302960), (541, 158480), (560, 153103), (566, 151480), (1082, 79240), (1132, 75740), (1415, 60592), (1981, 43280), (2164, 39620), (2264, 37870), (2705, 31696), (2830, 30296), (3787, 22640), (3962, 21640), (4328, 19810), (4528, 18935), (5410, 15848), (5660, 15148), (7574, 11320), (7924, 10820), (8656, 9905)]