128620912

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{1571}}^1$

素因数の和:1646

約数の個数: 80

約数和(自身を含む): 308765952

約数和(自身を除く): 180145040

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 34, 43, 56, 68, 86, 112, 119, 136, 172, 238, 272, 301, 344, 476, 602, 688, 731, 952, 1204, 1462, 1571, 1904, 2408, 2924, 3142, 4816, 5117, 5848, 6284, 10234, 10997, 11696, 12568, 20468, 21994, 25136, 26707, 40936, 43988, 53414, 67553, 81872, 87976, 106828, 135106, 175952, 186949, 213656, 270212, 373898, 427312, 472871, 540424, 747796, 945742, 1080848, 1148401, 1495592, 1891484, 2296802, 2991184, 3782968, 4593604, 7565936, 8038807, 9187208, 16077614, 18374416, 32155228, 64310456, 128620912]

約数ペア:

[(1, 128620912), (2, 64310456), (4, 32155228), (7, 18374416), (8, 16077614), (14, 9187208), (16, 8038807), (17, 7565936), (28, 4593604), (34, 3782968), (43, 2991184), (56, 2296802), (68, 1891484), (86, 1495592), (112, 1148401), (119, 1080848), (136, 945742), (172, 747796), (238, 540424), (272, 472871), (301, 427312), (344, 373898), (476, 270212), (602, 213656), (688, 186949), (731, 175952), (952, 135106), (1204, 106828), (1462, 87976), (1571, 81872), (1904, 67553), (2408, 53414), (2924, 43988), (3142, 40936), (4816, 26707), (5117, 25136), (5848, 21994), (6284, 20468), (10234, 12568), (10997, 11696)]