15679897520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{220471}}^1$

素因数の和:220618

約数の個数: 80

約数和(自身を含む): 41991979008

約数和(自身を除く): 26312081488

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 127, 140, 254, 280, 508, 560, 635, 889, 1016, 1270, 1778, 2032, 2540, 3556, 4445, 5080, 7112, 8890, 10160, 14224, 17780, 35560, 71120, 220471, 440942, 881884, 1102355, 1543297, 1763768, 2204710, 3086594, 3527536, 4409420, 6173188, 7716485, 8818840, 12346376, 15432970, 17637680, 24692752, 27999817, 30865940, 55999634, 61731880, 111999268, 123463760, 139999085, 195998719, 223998536, 279998170, 391997438, 447997072, 559996340, 783994876, 979993595, 1119992680, 1567989752, 1959987190, 2239985360, 3135979504, 3919974380, 7839948760, 15679897520]

約数ペア:

[(1, 15679897520), (2, 7839948760), (4, 3919974380), (5, 3135979504), (7, 2239985360), (8, 1959987190), (10, 1567989752), (14, 1119992680), (16, 979993595), (20, 783994876), (28, 559996340), (35, 447997072), (40, 391997438), (56, 279998170), (70, 223998536), (80, 195998719), (112, 139999085), (127, 123463760), (140, 111999268), (254, 61731880), (280, 55999634), (508, 30865940), (560, 27999817), (635, 24692752), (889, 17637680), (1016, 15432970), (1270, 12346376), (1778, 8818840), (2032, 7716485), (2540, 6173188), (3556, 4409420), (4445, 3527536), (5080, 3086594), (7112, 2204710), (8890, 1763768), (10160, 1543297), (14224, 1102355), (17780, 881884), (35560, 440942), (71120, 220471)]