128661984

素因数分解:

$2^5\times 3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{2389}}^1$

素因数の和:2433

約数の個数: 144

約数和(自身を含む): 422800560

約数和(自身を除く): 294138576

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 17, 18, 22, 24, 32, 33, 34, 36, 44, 48, 51, 66, 68, 72, 88, 96, 99, 102, 132, 136, 144, 153, 176, 187, 198, 204, 264, 272, 288, 306, 352, 374, 396, 408, 528, 544, 561, 612, 748, 792, 816, 1056, 1122, 1224, 1496, 1584, 1632, 1683, 2244, 2389, 2448, 2992, 3168, 3366, 4488, 4778, 4896, 5984, 6732, 7167, 8976, 9556, 13464, 14334, 17952, 19112, 21501, 26279, 26928, 28668, 38224, 40613, 43002, 52558, 53856, 57336, 76448, 78837, 81226, 86004, 105116, 114672, 121839, 157674, 162452, 172008, 210232, 229344, 236511, 243678, 315348, 324904, 344016, 365517, 420464, 446743, 473022, 487356, 630696, 649808, 688032, 731034, 840928, 893486, 946044, 974712, 1261392, 1299616, 1340229, 1462068, 1786972, 1892088, 1949424, 2522784, 2680458, 2924136, 3573944, 3784176, 3898848, 4020687, 5360916, 5848272, 7147888, 7568352, 8041374, 10721832, 11696544, 14295776, 16082748, 21443664, 32165496, 42887328, 64330992, 128661984]

約数ペア:

[(1, 128661984), (2, 64330992), (3, 42887328), (4, 32165496), (6, 21443664), (8, 16082748), (9, 14295776), (11, 11696544), (12, 10721832), (16, 8041374), (17, 7568352), (18, 7147888), (22, 5848272), (24, 5360916), (32, 4020687), (33, 3898848), (34, 3784176), (36, 3573944), (44, 2924136), (48, 2680458), (51, 2522784), (66, 1949424), (68, 1892088), (72, 1786972), (88, 1462068), (96, 1340229), (99, 1299616), (102, 1261392), (132, 974712), (136, 946044), (144, 893486), (153, 840928), (176, 731034), (187, 688032), (198, 649808), (204, 630696), (264, 487356), (272, 473022), (288, 446743), (306, 420464), (352, 365517), (374, 344016), (396, 324904), (408, 315348), (528, 243678), (544, 236511), (561, 229344), (612, 210232), (748, 172008), (792, 162452), (816, 157674), (1056, 121839), (1122, 114672), (1224, 105116), (1496, 86004), (1584, 81226), (1632, 78837), (1683, 76448), (2244, 57336), (2389, 53856), (2448, 52558), (2992, 43002), (3168, 40613), (3366, 38224), (4488, 28668), (4778, 26928), (4896, 26279), (5984, 21501), (6732, 19112), (7167, 17952), (8976, 14334), (9556, 13464)]