217958160

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{129737}}^1$

素因数の和:129760

約数の個数: 80

約数和(自身を含む): 772200576

約数和(自身を除く): 554242416

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 129737, 259474, 389211, 518948, 648685, 778422, 908159, 1037896, 1297370, 1556844, 1816318, 1946055, 2075792, 2594740, 2724477, 3113688, 3632636, 3892110, 4540795, 5189480, 5448954, 6227376, 7265272, 7784220, 9081590, 10378960, 10897908, 13622385, 14530544, 15568440, 18163180, 21795816, 27244770, 31136880, 36326360, 43591632, 54489540, 72652720, 108979080, 217958160]

約数ペア:

[(1, 217958160), (2, 108979080), (3, 72652720), (4, 54489540), (5, 43591632), (6, 36326360), (7, 31136880), (8, 27244770), (10, 21795816), (12, 18163180), (14, 15568440), (15, 14530544), (16, 13622385), (20, 10897908), (21, 10378960), (24, 9081590), (28, 7784220), (30, 7265272), (35, 6227376), (40, 5448954), (42, 5189480), (48, 4540795), (56, 3892110), (60, 3632636), (70, 3113688), (80, 2724477), (84, 2594740), (105, 2075792), (112, 1946055), (120, 1816318), (140, 1556844), (168, 1297370), (210, 1037896), (240, 908159), (280, 778422), (336, 648685), (420, 518948), (560, 389211), (840, 259474), (1680, 129737)]