640426752

素因数分解:

$2^8\times 3^2\times 7^1\times {\mathrm{39709}}^1$

素因数の和:39738

約数の個数: 108

約数和(自身を含む): 2110348240

約数和(自身を除く): 1469921488

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, 128, 144, 168, 192, 224, 252, 256, 288, 336, 384, 448, 504, 576, 672, 768, 896, 1008, 1152, 1344, 1792, 2016, 2304, 2688, 4032, 5376, 8064, 16128, 39709, 79418, 119127, 158836, 238254, 277963, 317672, 357381, 476508, 555926, 635344, 714762, 833889, 953016, 1111852, 1270688, 1429524, 1667778, 1906032, 2223704, 2501667, 2541376, 2859048, 3335556, 3812064, 4447408, 5003334, 5082752, 5718096, 6671112, 7624128, 8894816, 10006668, 10165504, 11436192, 13342224, 15248256, 17789632, 20013336, 22872384, 26684448, 30496512, 35579264, 40026672, 45744768, 53368896, 71158528, 80053344, 91489536, 106737792, 160106688, 213475584, 320213376, 640426752]

約数ペア:

[(1, 640426752), (2, 320213376), (3, 213475584), (4, 160106688), (6, 106737792), (7, 91489536), (8, 80053344), (9, 71158528), (12, 53368896), (14, 45744768), (16, 40026672), (18, 35579264), (21, 30496512), (24, 26684448), (28, 22872384), (32, 20013336), (36, 17789632), (42, 15248256), (48, 13342224), (56, 11436192), (63, 10165504), (64, 10006668), (72, 8894816), (84, 7624128), (96, 6671112), (112, 5718096), (126, 5082752), (128, 5003334), (144, 4447408), (168, 3812064), (192, 3335556), (224, 2859048), (252, 2541376), (256, 2501667), (288, 2223704), (336, 1906032), (384, 1667778), (448, 1429524), (504, 1270688), (576, 1111852), (672, 953016), (768, 833889), (896, 714762), (1008, 635344), (1152, 555926), (1344, 476508), (1792, 357381), (2016, 317672), (2304, 277963), (2688, 238254), (4032, 158836), (5376, 119127), (8064, 79418), (16128, 39709)]