213566640

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{127123}}^1$

素因数の和:127146

約数の個数: 80

約数和(自身を含む): 756642048

約数和(自身を除く): 543075408

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, 127123, 254246, 381369, 508492, 635615, 762738, 889861, 1016984, 1271230, 1525476, 1779722, 1906845, 2033968, 2542460, 2669583, 3050952, 3559444, 3813690, 4449305, 5084920, 5339166, 6101904, 7118888, 7627380, 8898610, 10169840, 10678332, 13347915, 14237776, 15254760, 17797220, 21356664, 26695830, 30509520, 35594440, 42713328, 53391660, 71188880, 106783320, 213566640]

約数ペア:

[(1, 213566640), (2, 106783320), (3, 71188880), (4, 53391660), (5, 42713328), (6, 35594440), (7, 30509520), (8, 26695830), (10, 21356664), (12, 17797220), (14, 15254760), (15, 14237776), (16, 13347915), (20, 10678332), (21, 10169840), (24, 8898610), (28, 7627380), (30, 7118888), (35, 6101904), (40, 5339166), (42, 5084920), (48, 4449305), (56, 3813690), (60, 3559444), (70, 3050952), (80, 2669583), (84, 2542460), (105, 2033968), (112, 1906845), (120, 1779722), (140, 1525476), (168, 1271230), (210, 1016984), (240, 889861), (280, 762738), (336, 635615), (420, 508492), (560, 381369), (840, 254246), (1680, 127123)]