328716640

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{2311}}^1$

素因数の和:2460

約数の個数: 96

約数和(自身を含む): 894910464

約数和(自身を除く): 566193824

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 127, 140, 160, 224, 254, 280, 508, 560, 635, 889, 1016, 1120, 1270, 1778, 2032, 2311, 2540, 3556, 4064, 4445, 4622, 5080, 7112, 8890, 9244, 10160, 11555, 14224, 16177, 17780, 18488, 20320, 23110, 28448, 32354, 35560, 36976, 46220, 64708, 71120, 73952, 80885, 92440, 129416, 142240, 161770, 184880, 258832, 293497, 323540, 369760, 517664, 586994, 647080, 1173988, 1294160, 1467485, 2054479, 2347976, 2588320, 2934970, 4108958, 4695952, 5869940, 8217916, 9391904, 10272395, 11739880, 16435832, 20544790, 23479760, 32871664, 41089580, 46959520, 65743328, 82179160, 164358320, 328716640]

約数ペア:

[(1, 328716640), (2, 164358320), (4, 82179160), (5, 65743328), (7, 46959520), (8, 41089580), (10, 32871664), (14, 23479760), (16, 20544790), (20, 16435832), (28, 11739880), (32, 10272395), (35, 9391904), (40, 8217916), (56, 5869940), (70, 4695952), (80, 4108958), (112, 2934970), (127, 2588320), (140, 2347976), (160, 2054479), (224, 1467485), (254, 1294160), (280, 1173988), (508, 647080), (560, 586994), (635, 517664), (889, 369760), (1016, 323540), (1120, 293497), (1270, 258832), (1778, 184880), (2032, 161770), (2311, 142240), (2540, 129416), (3556, 92440), (4064, 80885), (4445, 73952), (4622, 71120), (5080, 64708), (7112, 46220), (8890, 36976), (9244, 35560), (10160, 32354), (11555, 28448), (14224, 23110), (16177, 20320), (17780, 18488)]