77281380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1697}}^1$

素因数の和:1746

約数の個数: 144

約数和(自身を含む): 267007104

約数和(自身を除く): 189725724

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 23, 30, 33, 36, 44, 45, 46, 55, 60, 66, 69, 90, 92, 99, 110, 115, 132, 138, 165, 180, 198, 207, 220, 230, 253, 276, 330, 345, 396, 414, 460, 495, 506, 660, 690, 759, 828, 990, 1012, 1035, 1265, 1380, 1518, 1697, 1980, 2070, 2277, 2530, 3036, 3394, 3795, 4140, 4554, 5060, 5091, 6788, 7590, 8485, 9108, 10182, 11385, 15180, 15273, 16970, 18667, 20364, 22770, 25455, 30546, 33940, 37334, 39031, 45540, 50910, 56001, 61092, 74668, 76365, 78062, 93335, 101820, 112002, 117093, 152730, 156124, 168003, 186670, 195155, 224004, 234186, 280005, 305460, 336006, 351279, 373340, 390310, 429341, 468372, 560010, 585465, 672012, 702558, 780620, 840015, 858682, 1120020, 1170930, 1288023, 1405116, 1680030, 1717364, 1756395, 2146705, 2341860, 2576046, 3360060, 3512790, 3864069, 4293410, 5152092, 6440115, 7025580, 7728138, 8586820, 12880230, 15456276, 19320345, 25760460, 38640690, 77281380]

約数ペア:

[(1, 77281380), (2, 38640690), (3, 25760460), (4, 19320345), (5, 15456276), (6, 12880230), (9, 8586820), (10, 7728138), (11, 7025580), (12, 6440115), (15, 5152092), (18, 4293410), (20, 3864069), (22, 3512790), (23, 3360060), (30, 2576046), (33, 2341860), (36, 2146705), (44, 1756395), (45, 1717364), (46, 1680030), (55, 1405116), (60, 1288023), (66, 1170930), (69, 1120020), (90, 858682), (92, 840015), (99, 780620), (110, 702558), (115, 672012), (132, 585465), (138, 560010), (165, 468372), (180, 429341), (198, 390310), (207, 373340), (220, 351279), (230, 336006), (253, 305460), (276, 280005), (330, 234186), (345, 224004), (396, 195155), (414, 186670), (460, 168003), (495, 156124), (506, 152730), (660, 117093), (690, 112002), (759, 101820), (828, 93335), (990, 78062), (1012, 76365), (1035, 74668), (1265, 61092), (1380, 56001), (1518, 50910), (1697, 45540), (1980, 39031), (2070, 37334), (2277, 33940), (2530, 30546), (3036, 25455), (3394, 22770), (3795, 20364), (4140, 18667), (4554, 16970), (5060, 15273), (5091, 15180), (6788, 11385), (7590, 10182), (8485, 9108)]