639603216

素因数分解:

$2^4\times 3^5\times 7^1\times {\mathrm{71}}^1\times {\mathrm{331}}^1$

素因数の和:432

約数の個数: 240

約数和(自身を含む): 2157861888

約数和(自身を除く): 1518258672

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 36, 42, 48, 54, 56, 63, 71, 72, 81, 84, 108, 112, 126, 142, 144, 162, 168, 189, 213, 216, 243, 252, 284, 324, 331, 336, 378, 426, 432, 486, 497, 504, 567, 568, 639, 648, 662, 756, 852, 972, 993, 994, 1008, 1134, 1136, 1278, 1296, 1324, 1491, 1512, 1701, 1704, 1917, 1944, 1986, 1988, 2268, 2317, 2556, 2648, 2979, 2982, 3024, 3402, 3408, 3834, 3888, 3972, 3976, 4473, 4536, 4634, 5112, 5296, 5751, 5958, 5964, 6804, 6951, 7668, 7944, 7952, 8937, 8946, 9072, 9268, 10224, 11502, 11916, 11928, 13419, 13608, 13902, 15336, 15888, 17253, 17874, 17892, 18536, 20853, 23004, 23501, 23832, 23856, 26811, 26838, 27216, 27804, 30672, 34506, 35748, 35784, 37072, 40257, 41706, 46008, 47002, 47664, 53622, 53676, 55608, 62559, 69012, 70503, 71496, 71568, 80433, 80514, 83412, 92016, 94004, 107244, 107352, 111216, 120771, 125118, 138024, 141006, 142992, 160866, 161028, 164507, 166824, 187677, 188008, 211509, 214488, 214704, 241542, 250236, 276048, 282012, 321732, 322056, 329014, 333648, 375354, 376016, 423018, 428976, 483084, 493521, 500472, 563031, 564024, 634527, 643464, 644112, 658028, 750708, 846036, 966168, 987042, 1000944, 1126062, 1128048, 1269054, 1286928, 1316056, 1480563, 1501416, 1692072, 1903581, 1932336, 1974084, 2252124, 2538108, 2632112, 2961126, 3002832, 3384144, 3807162, 3948168, 4441689, 4504248, 5076216, 5710743, 5922252, 7614324, 7896336, 8883378, 9008496, 10152432, 11421486, 11844504, 13325067, 15228648, 17766756, 22842972, 23689008, 26650134, 30457296, 35533512, 39975201, 45685944, 53300268, 71067024, 79950402, 91371888, 106600536, 159900804, 213201072, 319801608, 639603216]

約数ペア:

[(1, 639603216), (2, 319801608), (3, 213201072), (4, 159900804), (6, 106600536), (7, 91371888), (8, 79950402), (9, 71067024), (12, 53300268), (14, 45685944), (16, 39975201), (18, 35533512), (21, 30457296), (24, 26650134), (27, 23689008), (28, 22842972), (36, 17766756), (42, 15228648), (48, 13325067), (54, 11844504), (56, 11421486), (63, 10152432), (71, 9008496), (72, 8883378), (81, 7896336), (84, 7614324), (108, 5922252), (112, 5710743), (126, 5076216), (142, 4504248), (144, 4441689), (162, 3948168), (168, 3807162), (189, 3384144), (213, 3002832), (216, 2961126), (243, 2632112), (252, 2538108), (284, 2252124), (324, 1974084), (331, 1932336), (336, 1903581), (378, 1692072), (426, 1501416), (432, 1480563), (486, 1316056), (497, 1286928), (504, 1269054), (567, 1128048), (568, 1126062), (639, 1000944), (648, 987042), (662, 966168), (756, 846036), (852, 750708), (972, 658028), (993, 644112), (994, 643464), (1008, 634527), (1134, 564024), (1136, 563031), (1278, 500472), (1296, 493521), (1324, 483084), (1491, 428976), (1512, 423018), (1701, 376016), (1704, 375354), (1917, 333648), (1944, 329014), (1986, 322056), (1988, 321732), (2268, 282012), (2317, 276048), (2556, 250236), (2648, 241542), (2979, 214704), (2982, 214488), (3024, 211509), (3402, 188008), (3408, 187677), (3834, 166824), (3888, 164507), (3972, 161028), (3976, 160866), (4473, 142992), (4536, 141006), (4634, 138024), (5112, 125118), (5296, 120771), (5751, 111216), (5958, 107352), (5964, 107244), (6804, 94004), (6951, 92016), (7668, 83412), (7944, 80514), (7952, 80433), (8937, 71568), (8946, 71496), (9072, 70503), (9268, 69012), (10224, 62559), (11502, 55608), (11916, 53676), (11928, 53622), (13419, 47664), (13608, 47002), (13902, 46008), (15336, 41706), (15888, 40257), (17253, 37072), (17874, 35784), (17892, 35748), (18536, 34506), (20853, 30672), (23004, 27804), (23501, 27216), (23832, 26838), (23856, 26811)]