258178480

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{241}}^1\times {\mathrm{1913}}^1$

素因数の和:2174

約数の個数: 80

約数和(自身を含む): 689223744

約数和(自身を除く): 431045264

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 241, 280, 482, 560, 964, 1205, 1687, 1913, 1928, 2410, 3374, 3826, 3856, 4820, 6748, 7652, 8435, 9565, 9640, 13391, 13496, 15304, 16870, 19130, 19280, 26782, 26992, 30608, 33740, 38260, 53564, 66955, 67480, 76520, 107128, 133910, 134960, 153040, 214256, 267820, 461033, 535640, 922066, 1071280, 1844132, 2305165, 3227231, 3688264, 4610330, 6454462, 7376528, 9220660, 12908924, 16136155, 18441320, 25817848, 32272310, 36882640, 51635696, 64544620, 129089240, 258178480]

約数ペア:

[(1, 258178480), (2, 129089240), (4, 64544620), (5, 51635696), (7, 36882640), (8, 32272310), (10, 25817848), (14, 18441320), (16, 16136155), (20, 12908924), (28, 9220660), (35, 7376528), (40, 6454462), (56, 4610330), (70, 3688264), (80, 3227231), (112, 2305165), (140, 1844132), (241, 1071280), (280, 922066), (482, 535640), (560, 461033), (964, 267820), (1205, 214256), (1687, 153040), (1913, 134960), (1928, 133910), (2410, 107128), (3374, 76520), (3826, 67480), (3856, 66955), (4820, 53564), (6748, 38260), (7652, 33740), (8435, 30608), (9565, 26992), (9640, 26782), (13391, 19280), (13496, 19130), (15304, 16870)]