641712384

素因数分解:

$2^8\times 3^2\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{137}}^1$

素因数の和:285

約数の個数: 216

約数和(自身を含む): 1980145440

約数和(自身を除く): 1338433056

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 32, 36, 38, 48, 57, 64, 72, 76, 96, 107, 114, 128, 137, 144, 152, 171, 192, 214, 228, 256, 274, 288, 304, 321, 342, 384, 411, 428, 456, 548, 576, 608, 642, 684, 768, 822, 856, 912, 963, 1096, 1152, 1216, 1233, 1284, 1368, 1644, 1712, 1824, 1926, 2033, 2192, 2304, 2432, 2466, 2568, 2603, 2736, 3288, 3424, 3648, 3852, 4066, 4384, 4864, 4932, 5136, 5206, 5472, 6099, 6576, 6848, 7296, 7704, 7809, 8132, 8768, 9864, 10272, 10412, 10944, 12198, 13152, 13696, 14592, 14659, 15408, 15618, 16264, 17536, 18297, 19728, 20544, 20824, 21888, 23427, 24396, 26304, 27392, 29318, 30816, 31236, 32528, 35072, 36594, 39456, 41088, 41648, 43776, 43977, 46854, 48792, 52608, 58636, 61632, 62472, 65056, 73188, 78912, 82176, 83296, 87954, 93708, 97584, 105216, 117272, 123264, 124944, 130112, 131931, 146376, 157824, 166592, 175908, 187416, 195168, 234544, 246528, 249888, 260224, 263862, 278521, 292752, 315648, 333184, 351816, 374832, 390336, 469088, 499776, 520448, 527724, 557042, 585504, 666368, 703632, 749664, 780672, 835563, 938176, 999552, 1055448, 1114084, 1171008, 1407264, 1499328, 1561344, 1671126, 1876352, 1999104, 2110896, 2228168, 2342016, 2506689, 2814528, 2998656, 3342252, 3752704, 4221792, 4456336, 4684032, 5013378, 5629056, 5997312, 6684504, 8443584, 8912672, 10026756, 11258112, 13369008, 16887168, 17825344, 20053512, 26738016, 33774336, 35650688, 40107024, 53476032, 71301376, 80214048, 106952064, 160428096, 213904128, 320856192, 641712384]

約数ペア:

[(1, 641712384), (2, 320856192), (3, 213904128), (4, 160428096), (6, 106952064), (8, 80214048), (9, 71301376), (12, 53476032), (16, 40107024), (18, 35650688), (19, 33774336), (24, 26738016), (32, 20053512), (36, 17825344), (38, 16887168), (48, 13369008), (57, 11258112), (64, 10026756), (72, 8912672), (76, 8443584), (96, 6684504), (107, 5997312), (114, 5629056), (128, 5013378), (137, 4684032), (144, 4456336), (152, 4221792), (171, 3752704), (192, 3342252), (214, 2998656), (228, 2814528), (256, 2506689), (274, 2342016), (288, 2228168), (304, 2110896), (321, 1999104), (342, 1876352), (384, 1671126), (411, 1561344), (428, 1499328), (456, 1407264), (548, 1171008), (576, 1114084), (608, 1055448), (642, 999552), (684, 938176), (768, 835563), (822, 780672), (856, 749664), (912, 703632), (963, 666368), (1096, 585504), (1152, 557042), (1216, 527724), (1233, 520448), (1284, 499776), (1368, 469088), (1644, 390336), (1712, 374832), (1824, 351816), (1926, 333184), (2033, 315648), (2192, 292752), (2304, 278521), (2432, 263862), (2466, 260224), (2568, 249888), (2603, 246528), (2736, 234544), (3288, 195168), (3424, 187416), (3648, 175908), (3852, 166592), (4066, 157824), (4384, 146376), (4864, 131931), (4932, 130112), (5136, 124944), (5206, 123264), (5472, 117272), (6099, 105216), (6576, 97584), (6848, 93708), (7296, 87954), (7704, 83296), (7809, 82176), (8132, 78912), (8768, 73188), (9864, 65056), (10272, 62472), (10412, 61632), (10944, 58636), (12198, 52608), (13152, 48792), (13696, 46854), (14592, 43977), (14659, 43776), (15408, 41648), (15618, 41088), (16264, 39456), (17536, 36594), (18297, 35072), (19728, 32528), (20544, 31236), (20824, 30816), (21888, 29318), (23427, 27392), (24396, 26304)]