1556171520

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{405253}}^1$

素因数の和:405277

約数の個数: 72

約数和(自身を含む): 4970035056

約数和(自身を除く): 3413863536

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 256, 320, 384, 480, 640, 768, 960, 1280, 1920, 3840, 405253, 810506, 1215759, 1621012, 2026265, 2431518, 3242024, 4052530, 4863036, 6078795, 6484048, 8105060, 9726072, 12157590, 12968096, 16210120, 19452144, 24315180, 25936192, 32420240, 38904288, 48630360, 51872384, 64840480, 77808576, 97260720, 103744768, 129680960, 155617152, 194521440, 259361920, 311234304, 389042880, 518723840, 778085760, 1556171520]

約数ペア:

[(1, 1556171520), (2, 778085760), (3, 518723840), (4, 389042880), (5, 311234304), (6, 259361920), (8, 194521440), (10, 155617152), (12, 129680960), (15, 103744768), (16, 97260720), (20, 77808576), (24, 64840480), (30, 51872384), (32, 48630360), (40, 38904288), (48, 32420240), (60, 25936192), (64, 24315180), (80, 19452144), (96, 16210120), (120, 12968096), (128, 12157590), (160, 9726072), (192, 8105060), (240, 6484048), (256, 6078795), (320, 4863036), (384, 4052530), (480, 3242024), (640, 2431518), (768, 2026265), (960, 1621012), (1280, 1215759), (1920, 810506), (3840, 405253)]