157978240

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{179}}^1\times {\mathrm{197}}^1$

素因数の和:402

約数の個数: 128

約数和(自身を含む): 436233600

約数和(自身を除く): 278255360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 179, 197, 224, 280, 320, 358, 394, 448, 560, 640, 716, 788, 895, 896, 985, 1120, 1253, 1379, 1432, 1576, 1790, 1970, 2240, 2506, 2758, 2864, 3152, 3580, 3940, 4480, 5012, 5516, 5728, 6265, 6304, 6895, 7160, 7880, 10024, 11032, 11456, 12530, 12608, 13790, 14320, 15760, 20048, 22064, 22912, 25060, 25216, 27580, 28640, 31520, 35263, 40096, 44128, 50120, 55160, 57280, 63040, 70526, 80192, 88256, 100240, 110320, 114560, 126080, 141052, 160384, 176315, 176512, 200480, 220640, 246841, 282104, 352630, 400960, 441280, 493682, 564208, 705260, 801920, 882560, 987364, 1128416, 1234205, 1410520, 1974728, 2256832, 2468410, 2821040, 3949456, 4513664, 4936820, 5642080, 7898912, 9873640, 11284160, 15797824, 19747280, 22568320, 31595648, 39494560, 78989120, 157978240]

約数ペア:

[(1, 157978240), (2, 78989120), (4, 39494560), (5, 31595648), (7, 22568320), (8, 19747280), (10, 15797824), (14, 11284160), (16, 9873640), (20, 7898912), (28, 5642080), (32, 4936820), (35, 4513664), (40, 3949456), (56, 2821040), (64, 2468410), (70, 2256832), (80, 1974728), (112, 1410520), (128, 1234205), (140, 1128416), (160, 987364), (179, 882560), (197, 801920), (224, 705260), (280, 564208), (320, 493682), (358, 441280), (394, 400960), (448, 352630), (560, 282104), (640, 246841), (716, 220640), (788, 200480), (895, 176512), (896, 176315), (985, 160384), (1120, 141052), (1253, 126080), (1379, 114560), (1432, 110320), (1576, 100240), (1790, 88256), (1970, 80192), (2240, 70526), (2506, 63040), (2758, 57280), (2864, 55160), (3152, 50120), (3580, 44128), (3940, 40096), (4480, 35263), (5012, 31520), (5516, 28640), (5728, 27580), (6265, 25216), (6304, 25060), (6895, 22912), (7160, 22064), (7880, 20048), (10024, 15760), (11032, 14320), (11456, 13790), (12530, 12608)]