643672512

素因数分解:

$2^6\times 3^2\times 7^1\times {\mathrm{263}}^1\times {\mathrm{607}}^1$

素因数の和:895

約数の個数: 168

約数和(自身を含む): 2120042496

約数和(自身を除く): 1476369984

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 64, 72, 84, 96, 112, 126, 144, 168, 192, 224, 252, 263, 288, 336, 448, 504, 526, 576, 607, 672, 789, 1008, 1052, 1214, 1344, 1578, 1821, 1841, 2016, 2104, 2367, 2428, 3156, 3642, 3682, 4032, 4208, 4249, 4734, 4856, 5463, 5523, 6312, 7284, 7364, 8416, 8498, 9468, 9712, 10926, 11046, 12624, 12747, 14568, 14728, 16569, 16832, 16996, 18936, 19424, 21852, 22092, 25248, 25494, 29136, 29456, 33138, 33992, 37872, 38241, 38848, 43704, 44184, 50496, 50988, 58272, 58912, 66276, 67984, 75744, 76482, 87408, 88368, 101976, 116544, 117824, 132552, 135968, 151488, 152964, 159641, 174816, 176736, 203952, 265104, 271936, 305928, 319282, 349632, 353472, 407904, 478923, 530208, 611856, 638564, 815808, 957846, 1060416, 1117487, 1223712, 1277128, 1436769, 1915692, 2234974, 2447424, 2554256, 2873538, 3352461, 3831384, 4469948, 5108512, 5747076, 6704922, 7662768, 8939896, 10057383, 10217024, 11494152, 13409844, 15325536, 17879792, 20114766, 22988304, 26819688, 30651072, 35759584, 40229532, 45976608, 53639376, 71519168, 80459064, 91953216, 107278752, 160918128, 214557504, 321836256, 643672512]

約数ペア:

[(1, 643672512), (2, 321836256), (3, 214557504), (4, 160918128), (6, 107278752), (7, 91953216), (8, 80459064), (9, 71519168), (12, 53639376), (14, 45976608), (16, 40229532), (18, 35759584), (21, 30651072), (24, 26819688), (28, 22988304), (32, 20114766), (36, 17879792), (42, 15325536), (48, 13409844), (56, 11494152), (63, 10217024), (64, 10057383), (72, 8939896), (84, 7662768), (96, 6704922), (112, 5747076), (126, 5108512), (144, 4469948), (168, 3831384), (192, 3352461), (224, 2873538), (252, 2554256), (263, 2447424), (288, 2234974), (336, 1915692), (448, 1436769), (504, 1277128), (526, 1223712), (576, 1117487), (607, 1060416), (672, 957846), (789, 815808), (1008, 638564), (1052, 611856), (1214, 530208), (1344, 478923), (1578, 407904), (1821, 353472), (1841, 349632), (2016, 319282), (2104, 305928), (2367, 271936), (2428, 265104), (3156, 203952), (3642, 176736), (3682, 174816), (4032, 159641), (4208, 152964), (4249, 151488), (4734, 135968), (4856, 132552), (5463, 117824), (5523, 116544), (6312, 101976), (7284, 88368), (7364, 87408), (8416, 76482), (8498, 75744), (9468, 67984), (9712, 66276), (10926, 58912), (11046, 58272), (12624, 50988), (12747, 50496), (14568, 44184), (14728, 43704), (16569, 38848), (16832, 38241), (16996, 37872), (18936, 33992), (19424, 33138), (21852, 29456), (22092, 29136), (25248, 25494)]