31279500

素因数分解:

$2^2\times 3^3\times 5^3\times 7^1\times {\mathrm{331}}^1$

素因数の和:366

約数の個数: 192

約数和(自身を含む): 116014080

約数和(自身を除く): 84734580

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 25, 27, 28, 30, 35, 36, 42, 45, 50, 54, 60, 63, 70, 75, 84, 90, 100, 105, 108, 125, 126, 135, 140, 150, 175, 180, 189, 210, 225, 250, 252, 270, 300, 315, 331, 350, 375, 378, 420, 450, 500, 525, 540, 630, 662, 675, 700, 750, 756, 875, 900, 945, 993, 1050, 1125, 1260, 1324, 1350, 1500, 1575, 1655, 1750, 1890, 1986, 2100, 2250, 2317, 2625, 2700, 2979, 3150, 3310, 3375, 3500, 3780, 3972, 4500, 4634, 4725, 4965, 5250, 5958, 6300, 6620, 6750, 6951, 7875, 8275, 8937, 9268, 9450, 9930, 10500, 11585, 11916, 13500, 13902, 14895, 15750, 16550, 17874, 18900, 19860, 20853, 23170, 23625, 24825, 27804, 29790, 31500, 33100, 34755, 35748, 41375, 41706, 44685, 46340, 47250, 49650, 57925, 59580, 62559, 69510, 74475, 82750, 83412, 89370, 94500, 99300, 104265, 115850, 124125, 125118, 139020, 148950, 165500, 173775, 178740, 208530, 223425, 231700, 248250, 250236, 289625, 297900, 312795, 347550, 372375, 417060, 446850, 496500, 521325, 579250, 625590, 695100, 744750, 868875, 893700, 1042650, 1117125, 1158500, 1251180, 1489500, 1563975, 1737750, 2085300, 2234250, 2606625, 3127950, 3475500, 4468500, 5213250, 6255900, 7819875, 10426500, 15639750, 31279500]

約数ペア:

[(1, 31279500), (2, 15639750), (3, 10426500), (4, 7819875), (5, 6255900), (6, 5213250), (7, 4468500), (9, 3475500), (10, 3127950), (12, 2606625), (14, 2234250), (15, 2085300), (18, 1737750), (20, 1563975), (21, 1489500), (25, 1251180), (27, 1158500), (28, 1117125), (30, 1042650), (35, 893700), (36, 868875), (42, 744750), (45, 695100), (50, 625590), (54, 579250), (60, 521325), (63, 496500), (70, 446850), (75, 417060), (84, 372375), (90, 347550), (100, 312795), (105, 297900), (108, 289625), (125, 250236), (126, 248250), (135, 231700), (140, 223425), (150, 208530), (175, 178740), (180, 173775), (189, 165500), (210, 148950), (225, 139020), (250, 125118), (252, 124125), (270, 115850), (300, 104265), (315, 99300), (331, 94500), (350, 89370), (375, 83412), (378, 82750), (420, 74475), (450, 69510), (500, 62559), (525, 59580), (540, 57925), (630, 49650), (662, 47250), (675, 46340), (700, 44685), (750, 41706), (756, 41375), (875, 35748), (900, 34755), (945, 33100), (993, 31500), (1050, 29790), (1125, 27804), (1260, 24825), (1324, 23625), (1350, 23170), (1500, 20853), (1575, 19860), (1655, 18900), (1750, 17874), (1890, 16550), (1986, 15750), (2100, 14895), (2250, 13902), (2317, 13500), (2625, 11916), (2700, 11585), (2979, 10500), (3150, 9930), (3310, 9450), (3375, 9268), (3500, 8937), (3780, 8275), (3972, 7875), (4500, 6951), (4634, 6750), (4725, 6620), (4965, 6300), (5250, 5958)]