128975412720

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{647}}^1$

素因数の和:778

約数の個数: 960

約数和(自身を含む): 538175840256

約数和(自身を除く): 409200427536

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 16, 20, 21, 22, 23, 24, 28, 30, 33, 35, 40, 42, 44, 46, 48, 49, 55, 56, 60, 66, 67, 69, 70, 77, 80, 84, 88, 92, 98, 105, 110, 112, 115, 120, 132, 134, 138, 140, 147, 154, 161, 165, 168, 176, 184, 196, 201, 210, 220, 230, 231, 240, 245, 253, 264, 268, 276, 280, 294, 308, 322, 330, 335, 336, 345, 368, 385, 392, 402, 420, 440, 460, 462, 469, 483, 490, 506, 528, 536, 539, 552, 560, 588, 616, 644, 647, 660, 670, 690, 735, 737, 759, 770, 784, 804, 805, 840, 880, 920, 924, 938, 966, 980, 1005, 1012, 1072, 1078, 1104, 1127, 1155, 1176, 1232, 1265, 1288, 1294, 1320, 1340, 1380, 1407, 1470, 1474, 1518, 1540, 1541, 1608, 1610, 1617, 1680, 1771, 1840, 1848, 1876, 1932, 1941, 1960, 2010, 2024, 2156, 2211, 2254, 2310, 2345, 2352, 2415, 2530, 2576, 2588, 2640, 2680, 2695, 2760, 2814, 2940, 2948, 3036, 3080, 3082, 3216, 3220, 3234, 3235, 3283, 3381, 3542, 3685, 3696, 3752, 3795, 3864, 3882, 3920, 4020, 4048, 4312, 4422, 4508, 4529, 4620, 4623, 4690, 4830, 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1733960, 1743665, 1779855, 1785720, 1812216, 1820658, 1898512, 1902180, 1907356, 1964292, 1992760, 1994054, 2034120, 2080752, 2083340, 2092398, 2124101, 2166780, 2187507, 2265270, 2291674, 2373140, 2384195, 2391312, 2427544, 2455365, 2491797, 2500008, 2536240, 2588880, 2600940, 2619056, 2789864, 2847768, 2861034, 2889040, 2916676, 2975280, 2989140, 2991081, 3020360, 3034430, 3125010, 3273820, 3322396, 3337873, 3437511, 3467920, 3487330, 3559710, 3571440, 3624432, 3641316, 3645845, 3804360, 3814712, 3928584, 3985520, 3988108, 4068240, 4152995, 4166680, 4184796, 4248202, 4333560, 4375014, 4530540, 4551645, 4583348, 4746280, 4768390, 4855088, 4910730, 4983594, 4985135, 5000016, 5201880, 5230995, 5579728, 5695536, 5722068, 5729185, 5833352, 5978280, 5982162, 6040720, 6068860, 6250020, 6372303, 6547640, 6644792, 6675746, 6875022, 6974660, 6979189, 7119420, 7152585, 7282632, 7291690, 7608720, 7629424, 7857168, 7976216, 8020859, 8305990, 8333360, 8369592, 8496404, 8667120, 8750028, 9061080, 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約数ペア:

[(1, 128975412720), (2, 64487706360), (3, 42991804240), (4, 32243853180), (5, 25795082544), (6, 21495902120), (7, 18425058960), (8, 16121926590), (10, 12897541272), (11, 11725037520), (12, 10747951060), (14, 9212529480), (15, 8598360848), (16, 8060963295), (20, 6448770636), (21, 6141686320), (22, 5862518760), (23, 5607626640), (24, 5373975530), (28, 4606264740), (30, 4299180424), (33, 3908345840), (35, 3685011792), (40, 3224385318), (42, 3070843160), (44, 2931259380), (46, 2803813320), (48, 2686987765), (49, 2632151280), (55, 2345007504), (56, 2303132370), (60, 2149590212), (66, 1954172920), (67, 1925006160), (69, 1869208880), (70, 1842505896), (77, 1675005360), (80, 1612192659), (84, 1535421580), (88, 1465629690), (92, 1401906660), (98, 1316075640), (105, 1228337264), (110, 1172503752), (112, 1151566185), (115, 1121525328), (120, 1074795106), (132, 977086460), (134, 962503080), (138, 934604440), (140, 921252948), (147, 877383760), (154, 837502680), (161, 801089520), (165, 781669168), 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