78198750

素因数分解:

$2^1\times 3^3\times 5^4\times 7^1\times {\mathrm{331}}^1$

素因数の和:369

約数の個数: 160

約数和(自身を含む): 248920320

約数和(自身を除く): 170721570

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 25, 27, 30, 35, 42, 45, 50, 54, 63, 70, 75, 90, 105, 125, 126, 135, 150, 175, 189, 210, 225, 250, 270, 315, 331, 350, 375, 378, 450, 525, 625, 630, 662, 675, 750, 875, 945, 993, 1050, 1125, 1250, 1350, 1575, 1655, 1750, 1875, 1890, 1986, 2250, 2317, 2625, 2979, 3150, 3310, 3375, 3750, 4375, 4634, 4725, 4965, 5250, 5625, 5958, 6750, 6951, 7875, 8275, 8750, 8937, 9450, 9930, 11250, 11585, 13125, 13902, 14895, 15750, 16550, 16875, 17874, 20853, 23170, 23625, 24825, 26250, 29790, 33750, 34755, 39375, 41375, 41706, 44685, 47250, 49650, 57925, 62559, 69510, 74475, 78750, 82750, 89370, 104265, 115850, 118125, 124125, 125118, 148950, 173775, 206875, 208530, 223425, 236250, 248250, 289625, 312795, 347550, 372375, 413750, 446850, 521325, 579250, 620625, 625590, 744750, 868875, 1042650, 1117125, 1241250, 1448125, 1563975, 1737750, 1861875, 2234250, 2606625, 2896250, 3127950, 3723750, 4344375, 5213250, 5585625, 7819875, 8688750, 11171250, 13033125, 15639750, 26066250, 39099375, 78198750]

約数ペア:

[(1, 78198750), (2, 39099375), (3, 26066250), (5, 15639750), (6, 13033125), (7, 11171250), (9, 8688750), (10, 7819875), (14, 5585625), (15, 5213250), (18, 4344375), (21, 3723750), (25, 3127950), (27, 2896250), (30, 2606625), (35, 2234250), (42, 1861875), (45, 1737750), (50, 1563975), (54, 1448125), (63, 1241250), (70, 1117125), (75, 1042650), (90, 868875), (105, 744750), (125, 625590), (126, 620625), (135, 579250), (150, 521325), (175, 446850), (189, 413750), (210, 372375), (225, 347550), (250, 312795), (270, 289625), (315, 248250), (331, 236250), (350, 223425), (375, 208530), (378, 206875), (450, 173775), (525, 148950), (625, 125118), (630, 124125), (662, 118125), (675, 115850), (750, 104265), (875, 89370), (945, 82750), (993, 78750), (1050, 74475), (1125, 69510), (1250, 62559), (1350, 57925), (1575, 49650), (1655, 47250), (1750, 44685), (1875, 41706), (1890, 41375), (1986, 39375), (2250, 34755), (2317, 33750), (2625, 29790), (2979, 26250), (3150, 24825), (3310, 23625), (3375, 23170), (3750, 20853), (4375, 17874), (4634, 16875), (4725, 16550), (4965, 15750), (5250, 14895), (5625, 13902), (5958, 13125), (6750, 11585), (6951, 11250), (7875, 9930), (8275, 9450), (8750, 8937)]