660685312

素因数分解:

$2^9\times 7^1\times {\mathrm{83}}^1\times {\mathrm{2221}}^1$

素因数の和:2329

約数の個数: 80

約数和(自身を含む): 1527527232

約数和(自身を除く): 866841920

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 83, 112, 128, 166, 224, 256, 332, 448, 512, 581, 664, 896, 1162, 1328, 1792, 2221, 2324, 2656, 3584, 4442, 4648, 5312, 8884, 9296, 10624, 15547, 17768, 18592, 21248, 31094, 35536, 37184, 42496, 62188, 71072, 74368, 124376, 142144, 148736, 184343, 248752, 284288, 297472, 368686, 497504, 568576, 737372, 995008, 1137152, 1290401, 1474744, 1990016, 2580802, 2949488, 3980032, 5161604, 5898976, 7960064, 10323208, 11797952, 20646416, 23595904, 41292832, 47191808, 82585664, 94383616, 165171328, 330342656, 660685312]

約数ペア:

[(1, 660685312), (2, 330342656), (4, 165171328), (7, 94383616), (8, 82585664), (14, 47191808), (16, 41292832), (28, 23595904), (32, 20646416), (56, 11797952), (64, 10323208), (83, 7960064), (112, 5898976), (128, 5161604), (166, 3980032), (224, 2949488), (256, 2580802), (332, 1990016), (448, 1474744), (512, 1290401), (581, 1137152), (664, 995008), (896, 737372), (1162, 568576), (1328, 497504), (1792, 368686), (2221, 297472), (2324, 284288), (2656, 248752), (3584, 184343), (4442, 148736), (4648, 142144), (5312, 124376), (8884, 74368), (9296, 71072), (10624, 62188), (15547, 42496), (17768, 37184), (18592, 35536), (21248, 31094)]