128351280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{4211}}^1$

素因数の和:4354

約数の個数: 80

約数和(自身を含む): 401117184

約数和(自身を除く): 272765904

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 127, 240, 254, 381, 508, 635, 762, 1016, 1270, 1524, 1905, 2032, 2540, 3048, 3810, 4211, 5080, 6096, 7620, 8422, 10160, 12633, 15240, 16844, 21055, 25266, 30480, 33688, 42110, 50532, 63165, 67376, 84220, 101064, 126330, 168440, 202128, 252660, 336880, 505320, 534797, 1010640, 1069594, 1604391, 2139188, 2673985, 3208782, 4278376, 5347970, 6417564, 8021955, 8556752, 10695940, 12835128, 16043910, 21391880, 25670256, 32087820, 42783760, 64175640, 128351280]

約数ペア:

[(1, 128351280), (2, 64175640), (3, 42783760), (4, 32087820), (5, 25670256), (6, 21391880), (8, 16043910), (10, 12835128), (12, 10695940), (15, 8556752), (16, 8021955), (20, 6417564), (24, 5347970), (30, 4278376), (40, 3208782), (48, 2673985), (60, 2139188), (80, 1604391), (120, 1069594), (127, 1010640), (240, 534797), (254, 505320), (381, 336880), (508, 252660), (635, 202128), (762, 168440), (1016, 126330), (1270, 101064), (1524, 84220), (1905, 67376), (2032, 63165), (2540, 50532), (3048, 42110), (3810, 33688), (4211, 30480), (5080, 25266), (6096, 21055), (7620, 16844), (8422, 15240), (10160, 12633)]