78840918

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{257}}^1$

素因数の和:323

約数の個数: 128

約数和(自身を含む): 208051200

約数和(自身を除く): 129210282

約数列:

[1, 2, 3, 6, 9, 13, 18, 19, 23, 26, 27, 38, 39, 46, 54, 57, 69, 78, 114, 117, 138, 171, 207, 234, 247, 257, 299, 342, 351, 414, 437, 494, 513, 514, 598, 621, 702, 741, 771, 874, 897, 1026, 1242, 1311, 1482, 1542, 1794, 2223, 2313, 2622, 2691, 3341, 3933, 4446, 4626, 4883, 5382, 5681, 5911, 6669, 6682, 6939, 7866, 8073, 9766, 10023, 11362, 11799, 11822, 13338, 13878, 14649, 16146, 17043, 17733, 20046, 23598, 29298, 30069, 34086, 35466, 43947, 51129, 53199, 60138, 63479, 76843, 87894, 90207, 102258, 106398, 112309, 126958, 131841, 153387, 153686, 159597, 180414, 190437, 224618, 230529, 263682, 306774, 319194, 336927, 380874, 461058, 571311, 673854, 691587, 1010781, 1142622, 1383174, 1460017, 1713933, 2021562, 2074761, 2920034, 3032343, 3427866, 4149522, 4380051, 6064686, 8760102, 13140153, 26280306, 39420459, 78840918]

約数ペア:

[(1, 78840918), (2, 39420459), (3, 26280306), (6, 13140153), (9, 8760102), (13, 6064686), (18, 4380051), (19, 4149522), (23, 3427866), (26, 3032343), (27, 2920034), (38, 2074761), (39, 2021562), (46, 1713933), (54, 1460017), (57, 1383174), (69, 1142622), (78, 1010781), (114, 691587), (117, 673854), (138, 571311), (171, 461058), (207, 380874), (234, 336927), (247, 319194), (257, 306774), (299, 263682), (342, 230529), (351, 224618), (414, 190437), (437, 180414), (494, 159597), (513, 153686), (514, 153387), (598, 131841), (621, 126958), (702, 112309), (741, 106398), (771, 102258), (874, 90207), (897, 87894), (1026, 76843), (1242, 63479), (1311, 60138), (1482, 53199), (1542, 51129), (1794, 43947), (2223, 35466), (2313, 34086), (2622, 30069), (2691, 29298), (3341, 23598), (3933, 20046), (4446, 17733), (4626, 17043), (4883, 16146), (5382, 14649), (5681, 13878), (5911, 13338), (6669, 11822), (6682, 11799), (6939, 11362), (7866, 10023), (8073, 9766)]