664652016

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{251}}^1$

素因数の和:380

約数の個数: 240

約数和(自身を含む): 2222857728

約数和(自身を除く): 1558205712

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 37, 42, 48, 56, 63, 71, 72, 74, 84, 111, 112, 126, 142, 144, 148, 168, 213, 222, 251, 252, 259, 284, 296, 333, 336, 426, 444, 497, 502, 504, 518, 568, 592, 639, 666, 753, 777, 852, 888, 994, 1004, 1008, 1036, 1136, 1278, 1332, 1491, 1506, 1554, 1704, 1757, 1776, 1988, 2008, 2072, 2259, 2331, 2556, 2627, 2664, 2982, 3012, 3108, 3408, 3514, 3976, 4016, 4144, 4473, 4518, 4662, 5112, 5254, 5271, 5328, 5964, 6024, 6216, 7028, 7881, 7952, 8946, 9036, 9287, 9324, 10224, 10508, 10542, 11928, 12048, 12432, 14056, 15762, 15813, 17821, 17892, 18072, 18389, 18574, 18648, 21016, 21084, 23643, 23856, 27861, 28112, 31524, 31626, 35642, 35784, 36144, 36778, 37148, 37296, 42032, 42168, 47286, 53463, 55167, 55722, 63048, 63252, 65009, 71284, 71568, 73556, 74296, 83583, 84336, 94572, 106926, 110334, 111444, 124747, 126096, 126504, 130018, 142568, 147112, 148592, 160389, 165501, 167166, 189144, 195027, 213852, 220668, 222888, 249494, 253008, 260036, 285136, 294224, 320778, 331002, 334332, 374241, 378288, 390054, 427704, 441336, 445776, 498988, 520072, 585081, 641556, 659377, 662004, 668664, 748482, 780108, 855408, 882672, 997976, 1040144, 1122723, 1170162, 1283112, 1318754, 1324008, 1337328, 1496964, 1560216, 1978131, 1995952, 2245446, 2340324, 2566224, 2637508, 2648016, 2993928, 3120432, 3956262, 4490892, 4615639, 4680648, 5275016, 5934393, 5987856, 7912524, 8981784, 9231278, 9361296, 10550032, 11868786, 13846917, 15825048, 17963568, 18462556, 23737572, 27693834, 31650096, 36925112, 41540751, 47475144, 55387668, 73850224, 83081502, 94950288, 110775336, 166163004, 221550672, 332326008, 664652016]

約数ペア:

[(1, 664652016), (2, 332326008), (3, 221550672), (4, 166163004), (6, 110775336), (7, 94950288), (8, 83081502), (9, 73850224), (12, 55387668), (14, 47475144), (16, 41540751), (18, 36925112), (21, 31650096), (24, 27693834), (28, 23737572), (36, 18462556), (37, 17963568), (42, 15825048), (48, 13846917), (56, 11868786), (63, 10550032), (71, 9361296), (72, 9231278), (74, 8981784), (84, 7912524), (111, 5987856), (112, 5934393), (126, 5275016), (142, 4680648), (144, 4615639), (148, 4490892), (168, 3956262), (213, 3120432), (222, 2993928), (251, 2648016), (252, 2637508), (259, 2566224), (284, 2340324), (296, 2245446), (333, 1995952), (336, 1978131), (426, 1560216), (444, 1496964), (497, 1337328), (502, 1324008), (504, 1318754), (518, 1283112), (568, 1170162), (592, 1122723), (639, 1040144), (666, 997976), (753, 882672), (777, 855408), (852, 780108), (888, 748482), (994, 668664), (1004, 662004), (1008, 659377), (1036, 641556), (1136, 585081), (1278, 520072), (1332, 498988), (1491, 445776), (1506, 441336), (1554, 427704), (1704, 390054), (1757, 378288), (1776, 374241), (1988, 334332), (2008, 331002), (2072, 320778), (2259, 294224), (2331, 285136), (2556, 260036), (2627, 253008), (2664, 249494), (2982, 222888), (3012, 220668), (3108, 213852), (3408, 195027), (3514, 189144), (3976, 167166), (4016, 165501), (4144, 160389), (4473, 148592), (4518, 147112), (4662, 142568), (5112, 130018), (5254, 126504), (5271, 126096), (5328, 124747), (5964, 111444), (6024, 110334), (6216, 106926), (7028, 94572), (7881, 84336), (7952, 83583), (8946, 74296), (9036, 73556), (9287, 71568), (9324, 71284), (10224, 65009), (10508, 63252), (10542, 63048), (11928, 55722), (12048, 55167), (12432, 53463), (14056, 47286), (15762, 42168), (15813, 42032), (17821, 37296), (17892, 37148), (18072, 36778), (18389, 36144), (18574, 35784), (18648, 35642), (21016, 31626), (21084, 31524), (23643, 28112), (23856, 27861)]