15113840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{197}}^1$

素因数の和:354

約数の個数: 80

約数和(自身を含む): 40658112

約数和(自身を除く): 25544272

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 137, 140, 197, 274, 280, 394, 548, 560, 685, 788, 959, 985, 1096, 1370, 1379, 1576, 1918, 1970, 2192, 2740, 2758, 3152, 3836, 3940, 4795, 5480, 5516, 6895, 7672, 7880, 9590, 10960, 11032, 13790, 15344, 15760, 19180, 22064, 26989, 27580, 38360, 53978, 55160, 76720, 107956, 110320, 134945, 188923, 215912, 269890, 377846, 431824, 539780, 755692, 944615, 1079560, 1511384, 1889230, 2159120, 3022768, 3778460, 7556920, 15113840]

約数ペア:

[(1, 15113840), (2, 7556920), (4, 3778460), (5, 3022768), (7, 2159120), (8, 1889230), (10, 1511384), (14, 1079560), (16, 944615), (20, 755692), (28, 539780), (35, 431824), (40, 377846), (56, 269890), (70, 215912), (80, 188923), (112, 134945), (137, 110320), (140, 107956), (197, 76720), (274, 55160), (280, 53978), (394, 38360), (548, 27580), (560, 26989), (685, 22064), (788, 19180), (959, 15760), (985, 15344), (1096, 13790), (1370, 11032), (1379, 10960), (1576, 9590), (1918, 7880), (1970, 7672), (2192, 6895), (2740, 5516), (2758, 5480), (3152, 4795), (3836, 3940)]