639884736

素因数分解:

$2^6\times 3^2\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{991}}^1$

素因数の和:1087

約数の個数: 168

約数和(自身を含む): 1965350400

約数和(自身を除く): 1325465664

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 32, 36, 38, 48, 57, 59, 64, 72, 76, 96, 114, 118, 144, 152, 171, 177, 192, 228, 236, 288, 304, 342, 354, 456, 472, 531, 576, 608, 684, 708, 912, 944, 991, 1062, 1121, 1216, 1368, 1416, 1824, 1888, 1982, 2124, 2242, 2736, 2832, 2973, 3363, 3648, 3776, 3964, 4248, 4484, 5472, 5664, 5946, 6726, 7928, 8496, 8919, 8968, 10089, 10944, 11328, 11892, 13452, 15856, 16992, 17838, 17936, 18829, 20178, 23784, 26904, 31712, 33984, 35676, 35872, 37658, 40356, 47568, 53808, 56487, 58469, 63424, 71352, 71744, 75316, 80712, 95136, 107616, 112974, 116938, 142704, 150632, 161424, 169461, 175407, 190272, 215232, 225948, 233876, 285408, 301264, 322848, 338922, 350814, 451896, 467752, 526221, 570816, 602528, 645696, 677844, 701628, 903792, 935504, 1052442, 1110911, 1205056, 1355688, 1403256, 1807584, 1871008, 2104884, 2221822, 2711376, 2806512, 3332733, 3615168, 3742016, 4209768, 4443644, 5422752, 5613024, 6665466, 8419536, 8887288, 9998199, 10845504, 11226048, 13330932, 16839072, 17774576, 19996398, 26661864, 33678144, 35549152, 39992796, 53323728, 71098304, 79985592, 106647456, 159971184, 213294912, 319942368, 639884736]

約数ペア:

[(1, 639884736), (2, 319942368), (3, 213294912), (4, 159971184), (6, 106647456), (8, 79985592), (9, 71098304), (12, 53323728), (16, 39992796), (18, 35549152), (19, 33678144), (24, 26661864), (32, 19996398), (36, 17774576), (38, 16839072), (48, 13330932), (57, 11226048), (59, 10845504), (64, 9998199), (72, 8887288), (76, 8419536), (96, 6665466), (114, 5613024), (118, 5422752), (144, 4443644), (152, 4209768), (171, 3742016), (177, 3615168), (192, 3332733), (228, 2806512), (236, 2711376), (288, 2221822), (304, 2104884), (342, 1871008), (354, 1807584), (456, 1403256), (472, 1355688), (531, 1205056), (576, 1110911), (608, 1052442), (684, 935504), (708, 903792), (912, 701628), (944, 677844), (991, 645696), (1062, 602528), (1121, 570816), (1216, 526221), (1368, 467752), (1416, 451896), (1824, 350814), (1888, 338922), (1982, 322848), (2124, 301264), (2242, 285408), (2736, 233876), (2832, 225948), (2973, 215232), (3363, 190272), (3648, 175407), (3776, 169461), (3964, 161424), (4248, 150632), (4484, 142704), (5472, 116938), (5664, 112974), (5946, 107616), (6726, 95136), (7928, 80712), (8496, 75316), (8919, 71744), (8968, 71352), (10089, 63424), (10944, 58469), (11328, 56487), (11892, 53808), (13452, 47568), (15856, 40356), (16992, 37658), (17838, 35872), (17936, 35676), (18829, 33984), (20178, 31712), (23784, 26904)]