31783500

素因数分解:

$2^2\times 3^2\times 5^3\times 7^1\times {\mathrm{1009}}^1$

素因数の和:1041

約数の個数: 144

約数和(自身を含む): 114703680

約数和(自身を除く): 82920180

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 25, 28, 30, 35, 36, 42, 45, 50, 60, 63, 70, 75, 84, 90, 100, 105, 125, 126, 140, 150, 175, 180, 210, 225, 250, 252, 300, 315, 350, 375, 420, 450, 500, 525, 630, 700, 750, 875, 900, 1009, 1050, 1125, 1260, 1500, 1575, 1750, 2018, 2100, 2250, 2625, 3027, 3150, 3500, 4036, 4500, 5045, 5250, 6054, 6300, 7063, 7875, 9081, 10090, 10500, 12108, 14126, 15135, 15750, 18162, 20180, 21189, 25225, 28252, 30270, 31500, 35315, 36324, 42378, 45405, 50450, 60540, 63567, 70630, 75675, 84756, 90810, 100900, 105945, 126125, 127134, 141260, 151350, 176575, 181620, 211890, 227025, 252250, 254268, 302700, 317835, 353150, 378375, 423780, 454050, 504500, 529725, 635670, 706300, 756750, 882875, 908100, 1059450, 1135125, 1271340, 1513500, 1589175, 1765750, 2118900, 2270250, 2648625, 3178350, 3531500, 4540500, 5297250, 6356700, 7945875, 10594500, 15891750, 31783500]

約数ペア:

[(1, 31783500), (2, 15891750), (3, 10594500), (4, 7945875), (5, 6356700), (6, 5297250), (7, 4540500), (9, 3531500), (10, 3178350), (12, 2648625), (14, 2270250), (15, 2118900), (18, 1765750), (20, 1589175), (21, 1513500), (25, 1271340), (28, 1135125), (30, 1059450), (35, 908100), (36, 882875), (42, 756750), (45, 706300), (50, 635670), (60, 529725), (63, 504500), (70, 454050), (75, 423780), (84, 378375), (90, 353150), (100, 317835), (105, 302700), (125, 254268), (126, 252250), (140, 227025), (150, 211890), (175, 181620), (180, 176575), (210, 151350), (225, 141260), (250, 127134), (252, 126125), (300, 105945), (315, 100900), (350, 90810), (375, 84756), (420, 75675), (450, 70630), (500, 63567), (525, 60540), (630, 50450), (700, 45405), (750, 42378), (875, 36324), (900, 35315), (1009, 31500), (1050, 30270), (1125, 28252), (1260, 25225), (1500, 21189), (1575, 20180), (1750, 18162), (2018, 15750), (2100, 15135), (2250, 14126), (2625, 12108), (3027, 10500), (3150, 10090), (3500, 9081), (4036, 7875), (4500, 7063), (5045, 6300), (5250, 6054)]