640456368

素因数分解:

$2^4\times 3^1\times {\mathrm{17}}^2\times {\mathrm{137}}^1\times {\mathrm{337}}^1$

素因数の和:519

約数の個数: 120

約数和(自身を含む): 1775643792

約数和(自身を除く): 1135187424

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 34, 48, 51, 68, 102, 136, 137, 204, 272, 274, 289, 337, 408, 411, 548, 578, 674, 816, 822, 867, 1011, 1096, 1156, 1348, 1644, 1734, 2022, 2192, 2312, 2329, 2696, 3288, 3468, 4044, 4624, 4658, 5392, 5729, 6576, 6936, 6987, 8088, 9316, 11458, 13872, 13974, 16176, 17187, 18632, 22916, 27948, 34374, 37264, 39593, 45832, 46169, 55896, 68748, 79186, 91664, 92338, 97393, 111792, 118779, 137496, 138507, 158372, 184676, 194786, 237558, 274992, 277014, 292179, 316744, 369352, 389572, 475116, 554028, 584358, 633488, 738704, 779144, 784873, 950232, 1108056, 1168716, 1558288, 1569746, 1900464, 2216112, 2337432, 2354619, 3139492, 4674864, 4709238, 6278984, 9418476, 12557968, 13342841, 18836952, 26685682, 37673904, 40028523, 53371364, 80057046, 106742728, 160114092, 213485456, 320228184, 640456368]

約数ペア:

[(1, 640456368), (2, 320228184), (3, 213485456), (4, 160114092), (6, 106742728), (8, 80057046), (12, 53371364), (16, 40028523), (17, 37673904), (24, 26685682), (34, 18836952), (48, 13342841), (51, 12557968), (68, 9418476), (102, 6278984), (136, 4709238), (137, 4674864), (204, 3139492), (272, 2354619), (274, 2337432), (289, 2216112), (337, 1900464), (408, 1569746), (411, 1558288), (548, 1168716), (578, 1108056), (674, 950232), (816, 784873), (822, 779144), (867, 738704), (1011, 633488), (1096, 584358), (1156, 554028), (1348, 475116), (1644, 389572), (1734, 369352), (2022, 316744), (2192, 292179), (2312, 277014), (2329, 274992), (2696, 237558), (3288, 194786), (3468, 184676), (4044, 158372), (4624, 138507), (4658, 137496), (5392, 118779), (5729, 111792), (6576, 97393), (6936, 92338), (6987, 91664), (8088, 79186), (9316, 68748), (11458, 55896), (13872, 46169), (13974, 45832), (16176, 39593), (17187, 37264), (18632, 34374), (22916, 27948)]