57256880

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{271}}^1$

素因数の和:442

約数の個数: 80

約数和(自身を含む): 141657600

約数和(自身を除く): 84400720

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 139, 152, 190, 271, 278, 304, 380, 542, 556, 695, 760, 1084, 1112, 1355, 1390, 1520, 2168, 2224, 2641, 2710, 2780, 4336, 5149, 5282, 5420, 5560, 10298, 10564, 10840, 11120, 13205, 20596, 21128, 21680, 25745, 26410, 37669, 41192, 42256, 51490, 52820, 75338, 82384, 102980, 105640, 150676, 188345, 205960, 211280, 301352, 376690, 411920, 602704, 715711, 753380, 1431422, 1506760, 2862844, 3013520, 3578555, 5725688, 7157110, 11451376, 14314220, 28628440, 57256880]

約数ペア:

[(1, 57256880), (2, 28628440), (4, 14314220), (5, 11451376), (8, 7157110), (10, 5725688), (16, 3578555), (19, 3013520), (20, 2862844), (38, 1506760), (40, 1431422), (76, 753380), (80, 715711), (95, 602704), (139, 411920), (152, 376690), (190, 301352), (271, 211280), (278, 205960), (304, 188345), (380, 150676), (542, 105640), (556, 102980), (695, 82384), (760, 75338), (1084, 52820), (1112, 51490), (1355, 42256), (1390, 41192), (1520, 37669), (2168, 26410), (2224, 25745), (2641, 21680), (2710, 21128), (2780, 20596), (4336, 13205), (5149, 11120), (5282, 10840), (5420, 10564), (5560, 10298)]