78486840

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{72673}}^1$

素因数の和:72693

約数の個数: 64

約数和(自身を含む): 261626400

約数和(自身を除く): 183139560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 1080, 72673, 145346, 218019, 290692, 363365, 436038, 581384, 654057, 726730, 872076, 1090095, 1308114, 1453460, 1744152, 1962171, 2180190, 2616228, 2906920, 3270285, 3924342, 4360380, 5232456, 6540570, 7848684, 8720760, 9810855, 13081140, 15697368, 19621710, 26162280, 39243420, 78486840]

約数ペア:

[(1, 78486840), (2, 39243420), (3, 26162280), (4, 19621710), (5, 15697368), (6, 13081140), (8, 9810855), (9, 8720760), (10, 7848684), (12, 6540570), (15, 5232456), (18, 4360380), (20, 3924342), (24, 3270285), (27, 2906920), (30, 2616228), (36, 2180190), (40, 1962171), (45, 1744152), (54, 1453460), (60, 1308114), (72, 1090095), (90, 872076), (108, 726730), (120, 654057), (135, 581384), (180, 436038), (216, 363365), (270, 290692), (360, 218019), (540, 145346), (1080, 72673)]