170651920

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^3\times {\mathrm{311}}^1$

素因数の和:381

約数の個数: 80

約数和(自身を含む): 420151680

約数和(自身を除く): 249499760

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 311, 361, 380, 622, 722, 760, 1244, 1444, 1520, 1555, 1805, 2488, 2888, 3110, 3610, 4976, 5776, 5909, 6220, 6859, 7220, 11818, 12440, 13718, 14440, 23636, 24880, 27436, 28880, 29545, 34295, 47272, 54872, 59090, 68590, 94544, 109744, 112271, 118180, 137180, 224542, 236360, 274360, 449084, 472720, 548720, 561355, 898168, 1122710, 1796336, 2133149, 2245420, 4266298, 4490840, 8532596, 8981680, 10665745, 17065192, 21331490, 34130384, 42662980, 85325960, 170651920]

約数ペア:

[(1, 170651920), (2, 85325960), (4, 42662980), (5, 34130384), (8, 21331490), (10, 17065192), (16, 10665745), (19, 8981680), (20, 8532596), (38, 4490840), (40, 4266298), (76, 2245420), (80, 2133149), (95, 1796336), (152, 1122710), (190, 898168), (304, 561355), (311, 548720), (361, 472720), (380, 449084), (622, 274360), (722, 236360), (760, 224542), (1244, 137180), (1444, 118180), (1520, 112271), (1555, 109744), (1805, 94544), (2488, 68590), (2888, 59090), (3110, 54872), (3610, 47272), (4976, 34295), (5776, 29545), (5909, 28880), (6220, 27436), (6859, 24880), (7220, 23636), (11818, 14440), (12440, 13718)]