321687520

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{26111}}^1$

素因数の和:26144

約数の個数: 96

約数和(自身を含む): 947552256

約数和(自身を除く): 625864736

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 140, 154, 160, 176, 220, 224, 280, 308, 352, 385, 440, 560, 616, 770, 880, 1120, 1232, 1540, 1760, 2464, 3080, 6160, 12320, 26111, 52222, 104444, 130555, 182777, 208888, 261110, 287221, 365554, 417776, 522220, 574442, 731108, 835552, 913885, 1044440, 1148884, 1436105, 1462216, 1827770, 2010547, 2088880, 2297768, 2872210, 2924432, 3655540, 4021094, 4177760, 4595536, 5744420, 5848864, 7311080, 8042188, 9191072, 10052735, 11488840, 14622160, 16084376, 20105470, 22977680, 29244320, 32168752, 40210940, 45955360, 64337504, 80421880, 160843760, 321687520]

約数ペア:

[(1, 321687520), (2, 160843760), (4, 80421880), (5, 64337504), (7, 45955360), (8, 40210940), (10, 32168752), (11, 29244320), (14, 22977680), (16, 20105470), (20, 16084376), (22, 14622160), (28, 11488840), (32, 10052735), (35, 9191072), (40, 8042188), (44, 7311080), (55, 5848864), (56, 5744420), (70, 4595536), (77, 4177760), (80, 4021094), (88, 3655540), (110, 2924432), (112, 2872210), (140, 2297768), (154, 2088880), (160, 2010547), (176, 1827770), (220, 1462216), (224, 1436105), (280, 1148884), (308, 1044440), (352, 913885), (385, 835552), (440, 731108), (560, 574442), (616, 522220), (770, 417776), (880, 365554), (1120, 287221), (1232, 261110), (1540, 208888), (1760, 182777), (2464, 130555), (3080, 104444), (6160, 52222), (12320, 26111)]