1638834816

素因数分解:

$2^7\times 3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{181}}^1$

素因数の和:307

約数の個数: 256

約数和(自身を含む): 4945449600

約数和(自身を除く): 3306614784

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 19, 24, 32, 34, 38, 48, 51, 57, 64, 68, 73, 76, 96, 102, 114, 128, 136, 146, 152, 181, 192, 204, 219, 228, 272, 292, 304, 323, 362, 384, 408, 438, 456, 543, 544, 584, 608, 646, 724, 816, 876, 912, 969, 1086, 1088, 1168, 1216, 1241, 1292, 1387, 1448, 1632, 1752, 1824, 1938, 2172, 2176, 2336, 2432, 2482, 2584, 2774, 2896, 3077, 3264, 3439, 3504, 3648, 3723, 3876, 4161, 4344, 4672, 4964, 5168, 5548, 5792, 6154, 6528, 6878, 7008, 7296, 7446, 7752, 8322, 8688, 9231, 9344, 9928, 10317, 10336, 11096, 11584, 12308, 13213, 13756, 14016, 14892, 15504, 16644, 17376, 18462, 19856, 20634, 20672, 22192, 23168, 23579, 24616, 26426, 27512, 28032, 29784, 31008, 33288, 34752, 36924, 39639, 39712, 41268, 41344, 44384, 47158, 49232, 52852, 55024, 58463, 59568, 62016, 66576, 69504, 70737, 73848, 79278, 79424, 82536, 88768, 94316, 98464, 105704, 110048, 116926, 119136, 124032, 133152, 141474, 147696, 158556, 158848, 165072, 175389, 177536, 188632, 196928, 211408, 220096, 224621, 233852, 238272, 251047, 266304, 282948, 295392, 317112, 330144, 350778, 377264, 393856, 422816, 440192, 449242, 467704, 476544, 502094, 532608, 565896, 590784, 634224, 660288, 673863, 701556, 753141, 754528, 845632, 898484, 935408, 1004188, 1131792, 1181568, 1268448, 1320576, 1347726, 1403112, 1506282, 1509056, 1691264, 1796968, 1870816, 2008376, 2263584, 2536896, 2695452, 2806224, 3012564, 3018112, 3593936, 3741632, 4016752, 4267799, 4527168, 5073792, 5390904, 5612448, 6025128, 7187872, 7483264, 8033504, 8535598, 9054336, 10781808, 11224896, 12050256, 12803397, 14375744, 16067008, 17071196, 21563616, 22449792, 24100512, 25606794, 28751488, 32134016, 34142392, 43127232, 48201024, 51213588, 68284784, 86254464, 96402048, 102427176, 136569568, 204854352, 273139136, 409708704, 546278272, 819417408, 1638834816]

約数ペア:

[(1, 1638834816), (2, 819417408), (3, 546278272), (4, 409708704), (6, 273139136), (8, 204854352), (12, 136569568), (16, 102427176), (17, 96402048), (19, 86254464), (24, 68284784), (32, 51213588), (34, 48201024), (38, 43127232), (48, 34142392), (51, 32134016), (57, 28751488), (64, 25606794), (68, 24100512), (73, 22449792), (76, 21563616), (96, 17071196), (102, 16067008), (114, 14375744), (128, 12803397), (136, 12050256), (146, 11224896), (152, 10781808), (181, 9054336), (192, 8535598), (204, 8033504), (219, 7483264), (228, 7187872), (272, 6025128), (292, 5612448), (304, 5390904), (323, 5073792), (362, 4527168), (384, 4267799), (408, 4016752), (438, 3741632), (456, 3593936), (543, 3018112), (544, 3012564), (584, 2806224), (608, 2695452), (646, 2536896), (724, 2263584), (816, 2008376), (876, 1870816), (912, 1796968), (969, 1691264), (1086, 1509056), (1088, 1506282), (1168, 1403112), (1216, 1347726), (1241, 1320576), (1292, 1268448), (1387, 1181568), (1448, 1131792), (1632, 1004188), (1752, 935408), (1824, 898484), (1938, 845632), (2172, 754528), (2176, 753141), (2336, 701556), (2432, 673863), (2482, 660288), (2584, 634224), (2774, 590784), (2896, 565896), (3077, 532608), (3264, 502094), (3439, 476544), (3504, 467704), (3648, 449242), (3723, 440192), (3876, 422816), (4161, 393856), (4344, 377264), (4672, 350778), (4964, 330144), (5168, 317112), (5548, 295392), (5792, 282948), (6154, 266304), (6528, 251047), (6878, 238272), (7008, 233852), (7296, 224621), (7446, 220096), (7752, 211408), (8322, 196928), (8688, 188632), (9231, 177536), (9344, 175389), (9928, 165072), (10317, 158848), (10336, 158556), (11096, 147696), (11584, 141474), (12308, 133152), (13213, 124032), (13756, 119136), (14016, 116926), (14892, 110048), (15504, 105704), (16644, 98464), (17376, 94316), (18462, 88768), (19856, 82536), (20634, 79424), (20672, 79278), (22192, 73848), (23168, 70737), (23579, 69504), (24616, 66576), (26426, 62016), (27512, 59568), (28032, 58463), (29784, 55024), (31008, 52852), (33288, 49232), (34752, 47158), (36924, 44384), (39639, 41344), (39712, 41268)]