131689320

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{743}}^1$

素因数の和:975

約数の個数: 128

約数和(自身を含む): 454256640

約数和(自身を除く): 322567320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 211, 280, 420, 422, 633, 743, 840, 844, 1055, 1266, 1477, 1486, 1688, 2110, 2229, 2532, 2954, 2972, 3165, 3715, 4220, 4431, 4458, 5064, 5201, 5908, 5944, 6330, 7385, 7430, 8440, 8862, 8916, 10402, 11145, 11816, 12660, 14770, 14860, 15603, 17724, 17832, 20804, 22155, 22290, 25320, 26005, 29540, 29720, 31206, 35448, 41608, 44310, 44580, 52010, 59080, 62412, 78015, 88620, 89160, 104020, 124824, 156030, 156773, 177240, 208040, 312060, 313546, 470319, 624120, 627092, 783865, 940638, 1097411, 1254184, 1567730, 1881276, 2194822, 2351595, 3135460, 3292233, 3762552, 4389644, 4703190, 5487055, 6270920, 6584466, 8779288, 9406380, 10974110, 13168932, 16461165, 18812760, 21948220, 26337864, 32922330, 43896440, 65844660, 131689320]

約数ペア:

[(1, 131689320), (2, 65844660), (3, 43896440), (4, 32922330), (5, 26337864), (6, 21948220), (7, 18812760), (8, 16461165), (10, 13168932), (12, 10974110), (14, 9406380), (15, 8779288), (20, 6584466), (21, 6270920), (24, 5487055), (28, 4703190), (30, 4389644), (35, 3762552), (40, 3292233), (42, 3135460), (56, 2351595), (60, 2194822), (70, 1881276), (84, 1567730), (105, 1254184), (120, 1097411), (140, 940638), (168, 783865), (210, 627092), (211, 624120), (280, 470319), (420, 313546), (422, 312060), (633, 208040), (743, 177240), (840, 156773), (844, 156030), (1055, 124824), (1266, 104020), (1477, 89160), (1486, 88620), (1688, 78015), (2110, 62412), (2229, 59080), (2532, 52010), (2954, 44580), (2972, 44310), (3165, 41608), (3715, 35448), (4220, 31206), (4431, 29720), (4458, 29540), (5064, 26005), (5201, 25320), (5908, 22290), (5944, 22155), (6330, 20804), (7385, 17832), (7430, 17724), (8440, 15603), (8862, 14860), (8916, 14770), (10402, 12660), (11145, 11816)]