80663436

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{991}}^1$

素因数の和:1044

約数の個数: 144

約数和(自身を含む): 259983360

約数和(自身を除く): 179319924

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 17, 18, 19, 21, 28, 34, 36, 38, 42, 51, 57, 63, 68, 76, 84, 102, 114, 119, 126, 133, 153, 171, 204, 228, 238, 252, 266, 306, 323, 342, 357, 399, 476, 532, 612, 646, 684, 714, 798, 969, 991, 1071, 1197, 1292, 1428, 1596, 1938, 1982, 2142, 2261, 2394, 2907, 2973, 3876, 3964, 4284, 4522, 4788, 5814, 5946, 6783, 6937, 8919, 9044, 11628, 11892, 13566, 13874, 16847, 17838, 18829, 20349, 20811, 27132, 27748, 33694, 35676, 37658, 40698, 41622, 50541, 56487, 62433, 67388, 75316, 81396, 83244, 101082, 112974, 117929, 124866, 131803, 151623, 169461, 202164, 225948, 235858, 249732, 263606, 303246, 320093, 338922, 353787, 395409, 471716, 527212, 606492, 640186, 677844, 707574, 790818, 960279, 1061361, 1186227, 1280372, 1415148, 1581636, 1920558, 2122722, 2240651, 2372454, 2880837, 3841116, 4245444, 4481302, 4744908, 5761674, 6721953, 8962604, 11523348, 13443906, 20165859, 26887812, 40331718, 80663436]

約数ペア:

[(1, 80663436), (2, 40331718), (3, 26887812), (4, 20165859), (6, 13443906), (7, 11523348), (9, 8962604), (12, 6721953), (14, 5761674), (17, 4744908), (18, 4481302), (19, 4245444), (21, 3841116), (28, 2880837), (34, 2372454), (36, 2240651), (38, 2122722), (42, 1920558), (51, 1581636), (57, 1415148), (63, 1280372), (68, 1186227), (76, 1061361), (84, 960279), (102, 790818), (114, 707574), (119, 677844), (126, 640186), (133, 606492), (153, 527212), (171, 471716), (204, 395409), (228, 353787), (238, 338922), (252, 320093), (266, 303246), (306, 263606), (323, 249732), (342, 235858), (357, 225948), (399, 202164), (476, 169461), (532, 151623), (612, 131803), (646, 124866), (684, 117929), (714, 112974), (798, 101082), (969, 83244), (991, 81396), (1071, 75316), (1197, 67388), (1292, 62433), (1428, 56487), (1596, 50541), (1938, 41622), (1982, 40698), (2142, 37658), (2261, 35676), (2394, 33694), (2907, 27748), (2973, 27132), (3876, 20811), (3964, 20349), (4284, 18829), (4522, 17838), (4788, 16847), (5814, 13874), (5946, 13566), (6783, 11892), (6937, 11628), (8919, 9044)]