71542520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{1297}}^1$

素因数の和:1512

約数の個数: 64

約数和(自身を含む): 185042880

約数和(自身を除く): 113500360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 197, 280, 394, 788, 985, 1297, 1379, 1576, 1970, 2594, 2758, 3940, 5188, 5516, 6485, 6895, 7880, 9079, 10376, 11032, 12970, 13790, 18158, 25940, 27580, 36316, 45395, 51880, 55160, 72632, 90790, 181580, 255509, 363160, 511018, 1022036, 1277545, 1788563, 2044072, 2555090, 3577126, 5110180, 7154252, 8942815, 10220360, 14308504, 17885630, 35771260, 71542520]

約数ペア:

[(1, 71542520), (2, 35771260), (4, 17885630), (5, 14308504), (7, 10220360), (8, 8942815), (10, 7154252), (14, 5110180), (20, 3577126), (28, 2555090), (35, 2044072), (40, 1788563), (56, 1277545), (70, 1022036), (140, 511018), (197, 363160), (280, 255509), (394, 181580), (788, 90790), (985, 72632), (1297, 55160), (1379, 51880), (1576, 45395), (1970, 36316), (2594, 27580), (2758, 25940), (3940, 18158), (5188, 13790), (5516, 12970), (6485, 11032), (6895, 10376), (7880, 9079)]