164596880

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{199}}^1\times {\mathrm{211}}^1$

素因数の和:437

約数の個数: 120

約数和(自身を含む): 449524800

約数和(自身を除く): 284927920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 199, 211, 245, 280, 392, 398, 422, 490, 560, 784, 796, 844, 980, 995, 1055, 1393, 1477, 1592, 1688, 1960, 1990, 2110, 2786, 2954, 3184, 3376, 3920, 3980, 4220, 5572, 5908, 6965, 7385, 7960, 8440, 9751, 10339, 11144, 11816, 13930, 14770, 15920, 16880, 19502, 20678, 22288, 23632, 27860, 29540, 39004, 41356, 41989, 48755, 51695, 55720, 59080, 78008, 82712, 83978, 97510, 103390, 111440, 118160, 156016, 165424, 167956, 195020, 206780, 209945, 293923, 335912, 390040, 413560, 419890, 587846, 671824, 780080, 827120, 839780, 1175692, 1469615, 1679560, 2057461, 2351384, 2939230, 3359120, 4114922, 4702768, 5878460, 8229844, 10287305, 11756920, 16459688, 20574610, 23513840, 32919376, 41149220, 82298440, 164596880]

約数ペア:

[(1, 164596880), (2, 82298440), (4, 41149220), (5, 32919376), (7, 23513840), (8, 20574610), (10, 16459688), (14, 11756920), (16, 10287305), (20, 8229844), (28, 5878460), (35, 4702768), (40, 4114922), (49, 3359120), (56, 2939230), (70, 2351384), (80, 2057461), (98, 1679560), (112, 1469615), (140, 1175692), (196, 839780), (199, 827120), (211, 780080), (245, 671824), (280, 587846), (392, 419890), (398, 413560), (422, 390040), (490, 335912), (560, 293923), (784, 209945), (796, 206780), (844, 195020), (980, 167956), (995, 165424), (1055, 156016), (1393, 118160), (1477, 111440), (1592, 103390), (1688, 97510), (1960, 83978), (1990, 82712), (2110, 78008), (2786, 59080), (2954, 55720), (3184, 51695), (3376, 48755), (3920, 41989), (3980, 41356), (4220, 39004), (5572, 29540), (5908, 27860), (6965, 23632), (7385, 22288), (7960, 20678), (8440, 19502), (9751, 16880), (10339, 15920), (11144, 14770), (11816, 13930)]