68738580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{199}}^1$

素因数の和:334

約数の個数: 144

約数和(自身を含む): 222768000

約数和(自身を除く): 154029420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 101, 114, 171, 180, 190, 199, 202, 228, 285, 303, 342, 380, 398, 404, 505, 570, 597, 606, 684, 796, 855, 909, 995, 1010, 1140, 1194, 1212, 1515, 1710, 1791, 1818, 1919, 1990, 2020, 2388, 2985, 3030, 3420, 3582, 3636, 3781, 3838, 3980, 4545, 5757, 5970, 6060, 7164, 7562, 7676, 8955, 9090, 9595, 11343, 11514, 11940, 15124, 17271, 17910, 18180, 18905, 19190, 20099, 22686, 23028, 28785, 34029, 34542, 35820, 37810, 38380, 40198, 45372, 56715, 57570, 60297, 68058, 69084, 75620, 80396, 86355, 100495, 113430, 115140, 120594, 136116, 170145, 172710, 180891, 200990, 226860, 241188, 301485, 340290, 345420, 361782, 381881, 401980, 602970, 680580, 723564, 763762, 904455, 1145643, 1205940, 1527524, 1808910, 1909405, 2291286, 3436929, 3617820, 3818810, 4582572, 5728215, 6873858, 7637620, 11456430, 13747716, 17184645, 22912860, 34369290, 68738580]

約数ペア:

[(1, 68738580), (2, 34369290), (3, 22912860), (4, 17184645), (5, 13747716), (6, 11456430), (9, 7637620), (10, 6873858), (12, 5728215), (15, 4582572), (18, 3818810), (19, 3617820), (20, 3436929), (30, 2291286), (36, 1909405), (38, 1808910), (45, 1527524), (57, 1205940), (60, 1145643), (76, 904455), (90, 763762), (95, 723564), (101, 680580), (114, 602970), (171, 401980), (180, 381881), (190, 361782), (199, 345420), (202, 340290), (228, 301485), (285, 241188), (303, 226860), (342, 200990), (380, 180891), (398, 172710), (404, 170145), (505, 136116), (570, 120594), (597, 115140), (606, 113430), (684, 100495), (796, 86355), (855, 80396), (909, 75620), (995, 69084), (1010, 68058), (1140, 60297), (1194, 57570), (1212, 56715), (1515, 45372), (1710, 40198), (1791, 38380), (1818, 37810), (1919, 35820), (1990, 34542), (2020, 34029), (2388, 28785), (2985, 23028), (3030, 22686), (3420, 20099), (3582, 19190), (3636, 18905), (3781, 18180), (3838, 17910), (3980, 17271), (4545, 15124), (5757, 11940), (5970, 11514), (6060, 11343), (7164, 9595), (7562, 9090), (7676, 8955)]