268255980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{7489}}^1$

素因数の和:7703

約数の個数: 72

約数和(自身を含む): 817908000

約数和(自身を除く): 549652020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 199, 398, 597, 796, 995, 1194, 1791, 1990, 2388, 2985, 3582, 3980, 5970, 7164, 7489, 8955, 11940, 14978, 17910, 22467, 29956, 35820, 37445, 44934, 67401, 74890, 89868, 112335, 134802, 149780, 224670, 269604, 337005, 449340, 674010, 1348020, 1490311, 2980622, 4470933, 5961244, 7451555, 8941866, 13412799, 14903110, 17883732, 22354665, 26825598, 29806220, 44709330, 53651196, 67063995, 89418660, 134127990, 268255980]

約数ペア:

[(1, 268255980), (2, 134127990), (3, 89418660), (4, 67063995), (5, 53651196), (6, 44709330), (9, 29806220), (10, 26825598), (12, 22354665), (15, 17883732), (18, 14903110), (20, 13412799), (30, 8941866), (36, 7451555), (45, 5961244), (60, 4470933), (90, 2980622), (180, 1490311), (199, 1348020), (398, 674010), (597, 449340), (796, 337005), (995, 269604), (1194, 224670), (1791, 149780), (1990, 134802), (2388, 112335), (2985, 89868), (3582, 74890), (3980, 67401), (5970, 44934), (7164, 37445), (7489, 35820), (8955, 29956), (11940, 22467), (14978, 17910)]