128856720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{3919}}^1$

素因数の和:4072

約数の個数: 80

約数和(自身を含む): 402474240

約数和(自身を除く): 273617520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 137, 240, 274, 411, 548, 685, 822, 1096, 1370, 1644, 2055, 2192, 2740, 3288, 3919, 4110, 5480, 6576, 7838, 8220, 10960, 11757, 15676, 16440, 19595, 23514, 31352, 32880, 39190, 47028, 58785, 62704, 78380, 94056, 117570, 156760, 188112, 235140, 313520, 470280, 536903, 940560, 1073806, 1610709, 2147612, 2684515, 3221418, 4295224, 5369030, 6442836, 8053545, 8590448, 10738060, 12885672, 16107090, 21476120, 25771344, 32214180, 42952240, 64428360, 128856720]

約数ペア:

[(1, 128856720), (2, 64428360), (3, 42952240), (4, 32214180), (5, 25771344), (6, 21476120), (8, 16107090), (10, 12885672), (12, 10738060), (15, 8590448), (16, 8053545), (20, 6442836), (24, 5369030), (30, 4295224), (40, 3221418), (48, 2684515), (60, 2147612), (80, 1610709), (120, 1073806), (137, 940560), (240, 536903), (274, 470280), (411, 313520), (548, 235140), (685, 188112), (822, 156760), (1096, 117570), (1370, 94056), (1644, 78380), (2055, 62704), (2192, 58785), (2740, 47028), (3288, 39190), (3919, 32880), (4110, 31352), (5480, 23514), (6576, 19595), (7838, 16440), (8220, 15676), (10960, 11757)]