78831900

素因数分解:

$2^2\times 3^3\times 5^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1$

素因数の和:170

約数の個数: 288

約数和(自身を含む): 299425280

約数和(自身を除く): 220593380

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, 43, 45, 50, 54, 60, 63, 70, 75, 84, 86, 90, 97, 100, 105, 108, 126, 129, 135, 140, 150, 172, 175, 180, 189, 194, 210, 215, 225, 252, 258, 270, 291, 300, 301, 315, 350, 378, 387, 388, 420, 430, 450, 485, 516, 525, 540, 582, 602, 630, 645, 675, 679, 700, 756, 774, 860, 873, 900, 903, 945, 970, 1050, 1075, 1161, 1164, 1204, 1260, 1290, 1350, 1358, 1455, 1505, 1548, 1575, 1746, 1806, 1890, 1935, 1940, 2037, 2100, 2150, 2322, 2425, 2580, 2619, 2700, 2709, 2716, 2910, 3010, 3150, 3225, 3395, 3492, 3612, 3780, 3870, 4074, 4171, 4300, 4365, 4515, 4644, 4725, 4850, 5238, 5418, 5805, 5820, 6020, 6111, 6300, 6450, 6790, 7275, 7525, 7740, 8127, 8148, 8342, 8730, 9030, 9450, 9675, 9700, 10185, 10476, 10836, 11610, 12222, 12513, 12900, 13095, 13545, 13580, 14550, 15050, 16254, 16684, 16975, 17460, 18060, 18333, 18900, 19350, 20370, 20855, 21825, 22575, 23220, 24444, 25026, 26190, 27090, 29025, 29100, 29197, 30100, 30555, 32508, 33950, 36666, 37539, 38700, 40635, 40740, 41710, 43650, 45150, 50052, 50925, 52380, 54180, 58050, 58394, 61110, 62565, 65475, 67725, 67900, 73332, 75078, 81270, 83420, 87300, 87591, 90300, 91665, 101850, 104275, 112617, 116100, 116788, 122220, 125130, 130950, 135450, 145985, 150156, 152775, 162540, 175182, 183330, 187695, 203175, 203700, 208550, 225234, 250260, 261900, 262773, 270900, 291970, 305550, 312825, 350364, 366660, 375390, 406350, 417100, 437955, 450468, 458325, 525546, 563085, 583940, 611100, 625650, 729925, 750780, 788319, 812700, 875910, 916650, 938475, 1051092, 1126170, 1251300, 1313865, 1459850, 1576638, 1751820, 1833300, 1876950, 2189775, 2252340, 2627730, 2815425, 2919700, 3153276, 3753900, 3941595, 4379550, 5255460, 5630850, 6569325, 7883190, 8759100, 11261700, 13138650, 15766380, 19707975, 26277300, 39415950, 78831900]

約数ペア:

[(1, 78831900), (2, 39415950), (3, 26277300), (4, 19707975), (5, 15766380), (6, 13138650), (7, 11261700), (9, 8759100), (10, 7883190), (12, 6569325), (14, 5630850), (15, 5255460), (18, 4379550), (20, 3941595), (21, 3753900), (25, 3153276), (27, 2919700), (28, 2815425), (30, 2627730), (35, 2252340), (36, 2189775), (42, 1876950), (43, 1833300), (45, 1751820), (50, 1576638), (54, 1459850), (60, 1313865), (63, 1251300), (70, 1126170), (75, 1051092), (84, 938475), (86, 916650), (90, 875910), (97, 812700), (100, 788319), (105, 750780), (108, 729925), (126, 625650), (129, 611100), (135, 583940), (140, 563085), (150, 525546), (172, 458325), (175, 450468), (180, 437955), (189, 417100), (194, 406350), (210, 375390), (215, 366660), (225, 350364), (252, 312825), (258, 305550), (270, 291970), (291, 270900), (300, 262773), (301, 261900), (315, 250260), (350, 225234), (378, 208550), (387, 203700), (388, 203175), (420, 187695), (430, 183330), (450, 175182), (485, 162540), (516, 152775), (525, 150156), (540, 145985), (582, 135450), (602, 130950), (630, 125130), (645, 122220), (675, 116788), (679, 116100), (700, 112617), (756, 104275), (774, 101850), (860, 91665), (873, 90300), (900, 87591), (903, 87300), (945, 83420), (970, 81270), (1050, 75078), (1075, 73332), (1161, 67900), (1164, 67725), (1204, 65475), (1260, 62565), (1290, 61110), (1350, 58394), (1358, 58050), (1455, 54180), (1505, 52380), (1548, 50925), (1575, 50052), (1746, 45150), (1806, 43650), (1890, 41710), (1935, 40740), (1940, 40635), (2037, 38700), (2100, 37539), (2150, 36666), (2322, 33950), (2425, 32508), (2580, 30555), (2619, 30100), (2700, 29197), (2709, 29100), (2716, 29025), (2910, 27090), (3010, 26190), (3150, 25026), (3225, 24444), (3395, 23220), (3492, 22575), (3612, 21825), (3780, 20855), (3870, 20370), (4074, 19350), (4171, 18900), (4300, 18333), (4365, 18060), (4515, 17460), (4644, 16975), (4725, 16684), (4850, 16254), (5238, 15050), (5418, 14550), (5805, 13580), (5820, 13545), (6020, 13095), (6111, 12900), (6300, 12513), (6450, 12222), (6790, 11610), (7275, 10836), (7525, 10476), (7740, 10185), (8127, 9700), (8148, 9675), (8342, 9450), (8730, 9030)]