319112960

素因数分解:

$2^8\times 5^1\times {\mathrm{61}}^2\times {\mathrm{67}}^1$

素因数の和:210

約数の個数: 108

約数和(自身を含む): 788710104

約数和(自身を除く): 469597144

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 64, 67, 80, 122, 128, 134, 160, 244, 256, 268, 305, 320, 335, 488, 536, 610, 640, 670, 976, 1072, 1220, 1280, 1340, 1952, 2144, 2440, 2680, 3721, 3904, 4087, 4288, 4880, 5360, 7442, 7808, 8174, 8576, 9760, 10720, 14884, 15616, 16348, 17152, 18605, 19520, 20435, 21440, 29768, 32696, 37210, 39040, 40870, 42880, 59536, 65392, 74420, 78080, 81740, 85760, 119072, 130784, 148840, 163480, 238144, 249307, 261568, 297680, 326960, 476288, 498614, 523136, 595360, 653920, 952576, 997228, 1046272, 1190720, 1246535, 1307840, 1994456, 2381440, 2493070, 2615680, 3988912, 4762880, 4986140, 5231360, 7977824, 9972280, 15955648, 19944560, 31911296, 39889120, 63822592, 79778240, 159556480, 319112960]

約数ペア:

[(1, 319112960), (2, 159556480), (4, 79778240), (5, 63822592), (8, 39889120), (10, 31911296), (16, 19944560), (20, 15955648), (32, 9972280), (40, 7977824), (61, 5231360), (64, 4986140), (67, 4762880), (80, 3988912), (122, 2615680), (128, 2493070), (134, 2381440), (160, 1994456), (244, 1307840), (256, 1246535), (268, 1190720), (305, 1046272), (320, 997228), (335, 952576), (488, 653920), (536, 595360), (610, 523136), (640, 498614), (670, 476288), (976, 326960), (1072, 297680), (1220, 261568), (1280, 249307), (1340, 238144), (1952, 163480), (2144, 148840), (2440, 130784), (2680, 119072), (3721, 85760), (3904, 81740), (4087, 78080), (4288, 74420), (4880, 65392), (5360, 59536), (7442, 42880), (7808, 40870), (8174, 39040), (8576, 37210), (9760, 32696), (10720, 29768), (14884, 21440), (15616, 20435), (16348, 19520), (17152, 18605)]