216561520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{271}}^1\times {\mathrm{1427}}^1$

素因数の和:1718

約数の個数: 80

約数和(自身を含む): 577963008

約数和(自身を除く): 361401488

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 271, 280, 542, 560, 1084, 1355, 1427, 1897, 2168, 2710, 2854, 3794, 4336, 5420, 5708, 7135, 7588, 9485, 9989, 10840, 11416, 14270, 15176, 18970, 19978, 21680, 22832, 28540, 30352, 37940, 39956, 49945, 57080, 75880, 79912, 99890, 114160, 151760, 159824, 199780, 386717, 399560, 773434, 799120, 1546868, 1933585, 2707019, 3093736, 3867170, 5414038, 6187472, 7734340, 10828076, 13535095, 15468680, 21656152, 27070190, 30937360, 43312304, 54140380, 108280760, 216561520]

約数ペア:

[(1, 216561520), (2, 108280760), (4, 54140380), (5, 43312304), (7, 30937360), (8, 27070190), (10, 21656152), (14, 15468680), (16, 13535095), (20, 10828076), (28, 7734340), (35, 6187472), (40, 5414038), (56, 3867170), (70, 3093736), (80, 2707019), (112, 1933585), (140, 1546868), (271, 799120), (280, 773434), (542, 399560), (560, 386717), (1084, 199780), (1355, 159824), (1427, 151760), (1897, 114160), (2168, 99890), (2710, 79912), (2854, 75880), (3794, 57080), (4336, 49945), (5420, 39956), (5708, 37940), (7135, 30352), (7588, 28540), (9485, 22832), (9989, 21680), (10840, 19978), (11416, 18970), (14270, 15176)]