65815120

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{557}}^1$

素因数の和:788

約数の個数: 80

約数和(自身を含む): 176024448

約数和(自身を除く): 110209328

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 211, 280, 422, 557, 560, 844, 1055, 1114, 1477, 1688, 2110, 2228, 2785, 2954, 3376, 3899, 4220, 4456, 5570, 5908, 7385, 7798, 8440, 8912, 11140, 11816, 14770, 15596, 16880, 19495, 22280, 23632, 29540, 31192, 38990, 44560, 59080, 62384, 77980, 117527, 118160, 155960, 235054, 311920, 470108, 587635, 822689, 940216, 1175270, 1645378, 1880432, 2350540, 3290756, 4113445, 4701080, 6581512, 8226890, 9402160, 13163024, 16453780, 32907560, 65815120]

約数ペア:

[(1, 65815120), (2, 32907560), (4, 16453780), (5, 13163024), (7, 9402160), (8, 8226890), (10, 6581512), (14, 4701080), (16, 4113445), (20, 3290756), (28, 2350540), (35, 1880432), (40, 1645378), (56, 1175270), (70, 940216), (80, 822689), (112, 587635), (140, 470108), (211, 311920), (280, 235054), (422, 155960), (557, 118160), (560, 117527), (844, 77980), (1055, 62384), (1114, 59080), (1477, 44560), (1688, 38990), (2110, 31192), (2228, 29540), (2785, 23632), (2954, 22280), (3376, 19495), (3899, 16880), (4220, 15596), (4456, 14770), (5570, 11816), (5908, 11140), (7385, 8912), (7798, 8440)]