81561168

素因数分解:

$2^4\times 3^4\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1$

素因数の和:183

約数の個数: 200

約数和(自身を含む): 262149888

約数和(自身を除く): 180588720

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 27, 36, 39, 47, 48, 52, 54, 72, 78, 81, 94, 103, 104, 108, 117, 141, 144, 156, 162, 188, 206, 208, 216, 234, 282, 309, 312, 324, 351, 376, 412, 423, 432, 468, 564, 611, 618, 624, 648, 702, 752, 824, 846, 927, 936, 1053, 1128, 1222, 1236, 1269, 1296, 1339, 1404, 1648, 1692, 1833, 1854, 1872, 2106, 2256, 2444, 2472, 2538, 2678, 2781, 2808, 3384, 3666, 3708, 3807, 4017, 4212, 4841, 4888, 4944, 5076, 5356, 5499, 5562, 5616, 6768, 7332, 7416, 7614, 8034, 8343, 8424, 9682, 9776, 10152, 10712, 10998, 11124, 12051, 14523, 14664, 14832, 15228, 16068, 16497, 16686, 16848, 19364, 20304, 21424, 21996, 22248, 24102, 29046, 29328, 30456, 32136, 32994, 33372, 36153, 38728, 43569, 43992, 44496, 48204, 49491, 58092, 60912, 62933, 64272, 65988, 66744, 72306, 77456, 87138, 87984, 96408, 98982, 108459, 116184, 125866, 130707, 131976, 133488, 144612, 174276, 188799, 192816, 197964, 216918, 232368, 251732, 261414, 263952, 289224, 348552, 377598, 392121, 395928, 433836, 503464, 522828, 566397, 578448, 697104, 755196, 784242, 791856, 867672, 1006928, 1045656, 1132794, 1510392, 1568484, 1699191, 1735344, 2091312, 2265588, 3020784, 3136968, 3398382, 4531176, 5097573, 6273936, 6796764, 9062352, 10195146, 13593528, 20390292, 27187056, 40780584, 81561168]

約数ペア:

[(1, 81561168), (2, 40780584), (3, 27187056), (4, 20390292), (6, 13593528), (8, 10195146), (9, 9062352), (12, 6796764), (13, 6273936), (16, 5097573), (18, 4531176), (24, 3398382), (26, 3136968), (27, 3020784), (36, 2265588), (39, 2091312), (47, 1735344), (48, 1699191), (52, 1568484), (54, 1510392), (72, 1132794), (78, 1045656), (81, 1006928), (94, 867672), (103, 791856), (104, 784242), (108, 755196), (117, 697104), (141, 578448), (144, 566397), (156, 522828), (162, 503464), (188, 433836), (206, 395928), (208, 392121), (216, 377598), (234, 348552), (282, 289224), (309, 263952), (312, 261414), (324, 251732), (351, 232368), (376, 216918), (412, 197964), (423, 192816), (432, 188799), (468, 174276), (564, 144612), (611, 133488), (618, 131976), (624, 130707), (648, 125866), (702, 116184), (752, 108459), (824, 98982), (846, 96408), (927, 87984), (936, 87138), (1053, 77456), (1128, 72306), (1222, 66744), (1236, 65988), (1269, 64272), (1296, 62933), (1339, 60912), (1404, 58092), (1648, 49491), (1692, 48204), (1833, 44496), (1854, 43992), (1872, 43569), (2106, 38728), (2256, 36153), (2444, 33372), (2472, 32994), (2538, 32136), (2678, 30456), (2781, 29328), (2808, 29046), (3384, 24102), (3666, 22248), (3708, 21996), (3807, 21424), (4017, 20304), (4212, 19364), (4841, 16848), (4888, 16686), (4944, 16497), (5076, 16068), (5356, 15228), (5499, 14832), (5562, 14664), (5616, 14523), (6768, 12051), (7332, 11124), (7416, 10998), (7614, 10712), (8034, 10152), (8343, 9776), (8424, 9682)]