39998880

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{197}}^1$

素因数の和:268

約数の個数: 192

約数和(自身を含む): 143700480

約数和(自身を除く): 103701600

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 47, 48, 54, 60, 72, 80, 90, 94, 96, 108, 120, 135, 141, 144, 160, 180, 188, 197, 216, 235, 240, 270, 282, 288, 360, 376, 394, 423, 432, 470, 480, 540, 564, 591, 705, 720, 752, 788, 846, 864, 940, 985, 1080, 1128, 1182, 1269, 1410, 1440, 1504, 1576, 1692, 1773, 1880, 1970, 2115, 2160, 2256, 2364, 2538, 2820, 2955, 3152, 3384, 3546, 3760, 3940, 4230, 4320, 4512, 4728, 5076, 5319, 5640, 5910, 6304, 6345, 6768, 7092, 7520, 7880, 8460, 8865, 9259, 9456, 10152, 10638, 11280, 11820, 12690, 13536, 14184, 15760, 16920, 17730, 18518, 18912, 20304, 21276, 22560, 23640, 25380, 26595, 27777, 28368, 31520, 33840, 35460, 37036, 40608, 42552, 46295, 47280, 50760, 53190, 55554, 56736, 67680, 70920, 74072, 83331, 85104, 92590, 94560, 101520, 106380, 111108, 138885, 141840, 148144, 166662, 170208, 185180, 203040, 212760, 222216, 249993, 277770, 283680, 296288, 333324, 370360, 416655, 425520, 444432, 499986, 555540, 666648, 740720, 833310, 851040, 888864, 999972, 1111080, 1249965, 1333296, 1481440, 1666620, 1999944, 2222160, 2499930, 2666592, 3333240, 3999888, 4444320, 4999860, 6666480, 7999776, 9999720, 13332960, 19999440, 39998880]

約数ペア:

[(1, 39998880), (2, 19999440), (3, 13332960), (4, 9999720), (5, 7999776), (6, 6666480), (8, 4999860), (9, 4444320), (10, 3999888), (12, 3333240), (15, 2666592), (16, 2499930), (18, 2222160), (20, 1999944), (24, 1666620), (27, 1481440), (30, 1333296), (32, 1249965), (36, 1111080), (40, 999972), (45, 888864), (47, 851040), (48, 833310), (54, 740720), (60, 666648), (72, 555540), (80, 499986), (90, 444432), (94, 425520), (96, 416655), (108, 370360), (120, 333324), (135, 296288), (141, 283680), (144, 277770), (160, 249993), (180, 222216), (188, 212760), (197, 203040), (216, 185180), (235, 170208), (240, 166662), (270, 148144), (282, 141840), (288, 138885), (360, 111108), (376, 106380), (394, 101520), (423, 94560), (432, 92590), (470, 85104), (480, 83331), (540, 74072), (564, 70920), (591, 67680), (705, 56736), (720, 55554), (752, 53190), (788, 50760), (846, 47280), (864, 46295), (940, 42552), (985, 40608), (1080, 37036), (1128, 35460), (1182, 33840), (1269, 31520), (1410, 28368), (1440, 27777), (1504, 26595), (1576, 25380), (1692, 23640), (1773, 22560), (1880, 21276), (1970, 20304), (2115, 18912), (2160, 18518), (2256, 17730), (2364, 16920), (2538, 15760), (2820, 14184), (2955, 13536), (3152, 12690), (3384, 11820), (3546, 11280), (3760, 10638), (3940, 10152), (4230, 9456), (4320, 9259), (4512, 8865), (4728, 8460), (5076, 7880), (5319, 7520), (5640, 7092), (5910, 6768), (6304, 6345)]