2013929680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{156361}}^1$

素因数の和:156404

約数の個数: 80

約数和(自身を含む): 5583999744

約数和(自身を除く): 3570070064

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 40, 46, 56, 70, 80, 92, 112, 115, 140, 161, 184, 230, 280, 322, 368, 460, 560, 644, 805, 920, 1288, 1610, 1840, 2576, 3220, 6440, 12880, 156361, 312722, 625444, 781805, 1094527, 1250888, 1563610, 2189054, 2501776, 3127220, 3596303, 4378108, 5472635, 6254440, 7192606, 8756216, 10945270, 12508880, 14385212, 17512432, 17981515, 21890540, 25174121, 28770424, 35963030, 43781080, 50348242, 57540848, 71926060, 87562160, 100696484, 125870605, 143852120, 201392968, 251741210, 287704240, 402785936, 503482420, 1006964840, 2013929680]

約数ペア:

[(1, 2013929680), (2, 1006964840), (4, 503482420), (5, 402785936), (7, 287704240), (8, 251741210), (10, 201392968), (14, 143852120), (16, 125870605), (20, 100696484), (23, 87562160), (28, 71926060), (35, 57540848), (40, 50348242), (46, 43781080), (56, 35963030), (70, 28770424), (80, 25174121), (92, 21890540), (112, 17981515), (115, 17512432), (140, 14385212), (161, 12508880), (184, 10945270), (230, 8756216), (280, 7192606), (322, 6254440), (368, 5472635), (460, 4378108), (560, 3596303), (644, 3127220), (805, 2501776), (920, 2189054), (1288, 1563610), (1610, 1250888), (1840, 1094527), (2576, 781805), (3220, 625444), (6440, 312722), (12880, 156361)]