61285840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{9949}}^1$

素因数の和:9980

約数の個数: 80

約数和(自身を含む): 177667200

約数和(自身を除く): 116381360

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 140, 154, 176, 220, 280, 308, 385, 440, 560, 616, 770, 880, 1232, 1540, 3080, 6160, 9949, 19898, 39796, 49745, 69643, 79592, 99490, 109439, 139286, 159184, 198980, 218878, 278572, 348215, 397960, 437756, 547195, 557144, 696430, 766073, 795920, 875512, 1094390, 1114288, 1392860, 1532146, 1751024, 2188780, 2785720, 3064292, 3830365, 4377560, 5571440, 6128584, 7660730, 8755120, 12257168, 15321460, 30642920, 61285840]

約数ペア:

[(1, 61285840), (2, 30642920), (4, 15321460), (5, 12257168), (7, 8755120), (8, 7660730), (10, 6128584), (11, 5571440), (14, 4377560), (16, 3830365), (20, 3064292), (22, 2785720), (28, 2188780), (35, 1751024), (40, 1532146), (44, 1392860), (55, 1114288), (56, 1094390), (70, 875512), (77, 795920), (80, 766073), (88, 696430), (110, 557144), (112, 547195), (140, 437756), (154, 397960), (176, 348215), (220, 278572), (280, 218878), (308, 198980), (385, 159184), (440, 139286), (560, 109439), (616, 99490), (770, 79592), (880, 69643), (1232, 49745), (1540, 39796), (3080, 19898), (6160, 9949)]