21108600

素因数分解:

$2^3\times 3^4\times 5^2\times {\mathrm{1303}}^1$

素因数の和:1331

約数の個数: 120

約数和(自身を含む): 73369560

約数和(自身を除く): 52260960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 27, 30, 36, 40, 45, 50, 54, 60, 72, 75, 81, 90, 100, 108, 120, 135, 150, 162, 180, 200, 216, 225, 270, 300, 324, 360, 405, 450, 540, 600, 648, 675, 810, 900, 1080, 1303, 1350, 1620, 1800, 2025, 2606, 2700, 3240, 3909, 4050, 5212, 5400, 6515, 7818, 8100, 10424, 11727, 13030, 15636, 16200, 19545, 23454, 26060, 31272, 32575, 35181, 39090, 46908, 52120, 58635, 65150, 70362, 78180, 93816, 97725, 105543, 117270, 130300, 140724, 156360, 175905, 195450, 211086, 234540, 260600, 281448, 293175, 351810, 390900, 422172, 469080, 527715, 586350, 703620, 781800, 844344, 879525, 1055430, 1172700, 1407240, 1759050, 2110860, 2345400, 2638575, 3518100, 4221720, 5277150, 7036200, 10554300, 21108600]

約数ペア:

[(1, 21108600), (2, 10554300), (3, 7036200), (4, 5277150), (5, 4221720), (6, 3518100), (8, 2638575), (9, 2345400), (10, 2110860), (12, 1759050), (15, 1407240), (18, 1172700), (20, 1055430), (24, 879525), (25, 844344), (27, 781800), (30, 703620), (36, 586350), (40, 527715), (45, 469080), (50, 422172), (54, 390900), (60, 351810), (72, 293175), (75, 281448), (81, 260600), (90, 234540), (100, 211086), (108, 195450), (120, 175905), (135, 156360), (150, 140724), (162, 130300), (180, 117270), (200, 105543), (216, 97725), (225, 93816), (270, 78180), (300, 70362), (324, 65150), (360, 58635), (405, 52120), (450, 46908), (540, 39090), (600, 35181), (648, 32575), (675, 31272), (810, 26060), (900, 23454), (1080, 19545), (1303, 16200), (1350, 15636), (1620, 13030), (1800, 11727), (2025, 10424), (2606, 8100), (2700, 7818), (3240, 6515), (3909, 5400), (4050, 5212)]