204708840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{243701}}^1$

素因数の和:243722

約数の個数: 64

約数和(自身を含む): 701861760

約数和(自身を除く): 497152920

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, 280, 420, 840, 243701, 487402, 731103, 974804, 1218505, 1462206, 1705907, 1949608, 2437010, 2924412, 3411814, 3655515, 4874020, 5117721, 5848824, 6823628, 7311030, 8529535, 9748040, 10235442, 13647256, 14622060, 17059070, 20470884, 25588605, 29244120, 34118140, 40941768, 51177210, 68236280, 102354420, 204708840]

約数ペア:

[(1, 204708840), (2, 102354420), (3, 68236280), (4, 51177210), (5, 40941768), (6, 34118140), (7, 29244120), (8, 25588605), (10, 20470884), (12, 17059070), (14, 14622060), (15, 13647256), (20, 10235442), (21, 9748040), (24, 8529535), (28, 7311030), (30, 6823628), (35, 5848824), (40, 5117721), (42, 4874020), (56, 3655515), (60, 3411814), (70, 2924412), (84, 2437010), (105, 1949608), (120, 1705907), (140, 1462206), (168, 1218505), (210, 974804), (280, 731103), (420, 487402), (840, 243701)]