210612840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{557}}^1$

素因数の和:731

約数の個数: 128

約数和(自身を含む): 665314560

約数和(自身を除く): 454701720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 115, 120, 137, 138, 184, 230, 274, 276, 345, 411, 460, 548, 552, 557, 685, 690, 822, 920, 1096, 1114, 1370, 1380, 1644, 1671, 2055, 2228, 2740, 2760, 2785, 3151, 3288, 3342, 4110, 4456, 5480, 5570, 6302, 6684, 8220, 8355, 9453, 11140, 12604, 12811, 13368, 15755, 16440, 16710, 18906, 22280, 25208, 25622, 31510, 33420, 37812, 38433, 47265, 51244, 63020, 64055, 66840, 75624, 76309, 76866, 94530, 102488, 126040, 128110, 152618, 153732, 189060, 192165, 228927, 256220, 305236, 307464, 378120, 381545, 384330, 457854, 512440, 610472, 763090, 768660, 915708, 1144635, 1526180, 1537320, 1755107, 1831416, 2289270, 3052360, 3510214, 4578540, 5265321, 7020428, 8775535, 9157080, 10530642, 14040856, 17551070, 21061284, 26326605, 35102140, 42122568, 52653210, 70204280, 105306420, 210612840]

約数ペア:

[(1, 210612840), (2, 105306420), (3, 70204280), (4, 52653210), (5, 42122568), (6, 35102140), (8, 26326605), (10, 21061284), (12, 17551070), (15, 14040856), (20, 10530642), (23, 9157080), (24, 8775535), (30, 7020428), (40, 5265321), (46, 4578540), (60, 3510214), (69, 3052360), (92, 2289270), (115, 1831416), (120, 1755107), (137, 1537320), (138, 1526180), (184, 1144635), (230, 915708), (274, 768660), (276, 763090), (345, 610472), (411, 512440), (460, 457854), (548, 384330), (552, 381545), (557, 378120), (685, 307464), (690, 305236), (822, 256220), (920, 228927), (1096, 192165), (1114, 189060), (1370, 153732), (1380, 152618), (1644, 128110), (1671, 126040), (2055, 102488), (2228, 94530), (2740, 76866), (2760, 76309), (2785, 75624), (3151, 66840), (3288, 64055), (3342, 63020), (4110, 51244), (4456, 47265), (5480, 38433), (5570, 37812), (6302, 33420), (6684, 31510), (8220, 25622), (8355, 25208), (9453, 22280), (11140, 18906), (12604, 16710), (12811, 16440), (13368, 15755)]