2156492680

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{563}}^1\times {\mathrm{3089}}^1$

素因数の和:3694

約数の個数: 64

約数和(自身を含む): 5019148800

約数和(自身を除く): 2862656120

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 563, 620, 1126, 1240, 2252, 2815, 3089, 4504, 5630, 6178, 11260, 12356, 15445, 17453, 22520, 24712, 30890, 34906, 61780, 69812, 87265, 95759, 123560, 139624, 174530, 191518, 349060, 383036, 478795, 698120, 766072, 957590, 1739107, 1915180, 3478214, 3830360, 6956428, 8695535, 13912856, 17391070, 34782140, 53912317, 69564280, 107824634, 215649268, 269561585, 431298536, 539123170, 1078246340, 2156492680]

約数ペア:

[(1, 2156492680), (2, 1078246340), (4, 539123170), (5, 431298536), (8, 269561585), (10, 215649268), (20, 107824634), (31, 69564280), (40, 53912317), (62, 34782140), (124, 17391070), (155, 13912856), (248, 8695535), (310, 6956428), (563, 3830360), (620, 3478214), (1126, 1915180), (1240, 1739107), (2252, 957590), (2815, 766072), (3089, 698120), (4504, 478795), (5630, 383036), (6178, 349060), (11260, 191518), (12356, 174530), (15445, 139624), (17453, 123560), (22520, 95759), (24712, 87265), (30890, 69812), (34906, 61780)]