245121888

素因数分解:

$2^5\times 3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{643}}^1$

素因数の和:705

約数の個数: 144

約数和(自身を含む): 741980736

約数和(自身を除く): 496858848

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 19, 22, 24, 32, 33, 38, 44, 48, 57, 66, 76, 88, 96, 114, 132, 152, 176, 209, 228, 264, 304, 352, 361, 418, 456, 528, 608, 627, 643, 722, 836, 912, 1056, 1083, 1254, 1286, 1444, 1672, 1824, 1929, 2166, 2508, 2572, 2888, 3344, 3858, 3971, 4332, 5016, 5144, 5776, 6688, 7073, 7716, 7942, 8664, 10032, 10288, 11552, 11913, 12217, 14146, 15432, 15884, 17328, 20064, 20576, 21219, 23826, 24434, 28292, 30864, 31768, 34656, 36651, 42438, 47652, 48868, 56584, 61728, 63536, 73302, 84876, 95304, 97736, 113168, 127072, 134387, 146604, 169752, 190608, 195472, 226336, 232123, 268774, 293208, 339504, 381216, 390944, 403161, 464246, 537548, 586416, 679008, 696369, 806322, 928492, 1075096, 1172832, 1392738, 1612644, 1856984, 2150192, 2553353, 2785476, 3225288, 3713968, 4300384, 5106706, 5570952, 6450576, 7427936, 7660059, 10213412, 11141904, 12901152, 15320118, 20426824, 22283808, 30640236, 40853648, 61280472, 81707296, 122560944, 245121888]

約数ペア:

[(1, 245121888), (2, 122560944), (3, 81707296), (4, 61280472), (6, 40853648), (8, 30640236), (11, 22283808), (12, 20426824), (16, 15320118), (19, 12901152), (22, 11141904), (24, 10213412), (32, 7660059), (33, 7427936), (38, 6450576), (44, 5570952), (48, 5106706), (57, 4300384), (66, 3713968), (76, 3225288), (88, 2785476), (96, 2553353), (114, 2150192), (132, 1856984), (152, 1612644), (176, 1392738), (209, 1172832), (228, 1075096), (264, 928492), (304, 806322), (352, 696369), (361, 679008), (418, 586416), (456, 537548), (528, 464246), (608, 403161), (627, 390944), (643, 381216), (722, 339504), (836, 293208), (912, 268774), (1056, 232123), (1083, 226336), (1254, 195472), (1286, 190608), (1444, 169752), (1672, 146604), (1824, 134387), (1929, 127072), (2166, 113168), (2508, 97736), (2572, 95304), (2888, 84876), (3344, 73302), (3858, 63536), (3971, 61728), (4332, 56584), (5016, 48868), (5144, 47652), (5776, 42438), (6688, 36651), (7073, 34656), (7716, 31768), (7942, 30864), (8664, 28292), (10032, 24434), (10288, 23826), (11552, 21219), (11913, 20576), (12217, 20064), (14146, 17328), (15432, 15884)]