128520408

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{281}}^1$

素因数の和:385

約数の個数: 128

約数和(自身を含む): 365472000

約数和(自身を除く): 236951592

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 19, 24, 34, 38, 51, 57, 59, 68, 76, 102, 114, 118, 136, 152, 177, 204, 228, 236, 281, 323, 354, 408, 456, 472, 562, 646, 708, 843, 969, 1003, 1121, 1124, 1292, 1416, 1686, 1938, 2006, 2242, 2248, 2584, 3009, 3363, 3372, 3876, 4012, 4484, 4777, 5339, 6018, 6726, 6744, 7752, 8024, 8968, 9554, 10678, 12036, 13452, 14331, 16017, 16579, 19057, 19108, 21356, 24072, 26904, 28662, 32034, 33158, 38114, 38216, 42712, 49737, 57171, 57324, 64068, 66316, 76228, 90763, 99474, 114342, 114648, 128136, 132632, 152456, 181526, 198948, 228684, 272289, 281843, 315001, 363052, 397896, 457368, 544578, 563686, 630002, 726104, 845529, 945003, 1089156, 1127372, 1260004, 1691058, 1890006, 2178312, 2254744, 2520008, 3382116, 3780012, 5355017, 6764232, 7560024, 10710034, 16065051, 21420068, 32130102, 42840136, 64260204, 128520408]

約数ペア:

[(1, 128520408), (2, 64260204), (3, 42840136), (4, 32130102), (6, 21420068), (8, 16065051), (12, 10710034), (17, 7560024), (19, 6764232), (24, 5355017), (34, 3780012), (38, 3382116), (51, 2520008), (57, 2254744), (59, 2178312), (68, 1890006), (76, 1691058), (102, 1260004), (114, 1127372), (118, 1089156), (136, 945003), (152, 845529), (177, 726104), (204, 630002), (228, 563686), (236, 544578), (281, 457368), (323, 397896), (354, 363052), (408, 315001), (456, 281843), (472, 272289), (562, 228684), (646, 198948), (708, 181526), (843, 152456), (969, 132632), (1003, 128136), (1121, 114648), (1124, 114342), (1292, 99474), (1416, 90763), (1686, 76228), (1938, 66316), (2006, 64068), (2242, 57324), (2248, 57171), (2584, 49737), (3009, 42712), (3363, 38216), (3372, 38114), (3876, 33158), (4012, 32034), (4484, 28662), (4777, 26904), (5339, 24072), (6018, 21356), (6726, 19108), (6744, 19057), (7752, 16579), (8024, 16017), (8968, 14331), (9554, 13452), (10678, 12036)]