320412008

素因数分解:

$2^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{2621}}^1$

素因数の和:2730

約数の個数: 64

約数和(自身を含む): 717379200

約数和(自身を除く): 396967192

約数列:

[1, 2, 4, 7, 8, 14, 28, 37, 56, 59, 74, 118, 148, 236, 259, 296, 413, 472, 518, 826, 1036, 1652, 2072, 2183, 2621, 3304, 4366, 5242, 8732, 10484, 15281, 17464, 18347, 20968, 30562, 36694, 61124, 73388, 96977, 122248, 146776, 154639, 193954, 309278, 387908, 618556, 678839, 775816, 1082473, 1237112, 1357678, 2164946, 2715356, 4329892, 5430712, 5721643, 8659784, 11443286, 22886572, 40051501, 45773144, 80103002, 160206004, 320412008]

約数ペア:

[(1, 320412008), (2, 160206004), (4, 80103002), (7, 45773144), (8, 40051501), (14, 22886572), (28, 11443286), (37, 8659784), (56, 5721643), (59, 5430712), (74, 4329892), (118, 2715356), (148, 2164946), (236, 1357678), (259, 1237112), (296, 1082473), (413, 775816), (472, 678839), (518, 618556), (826, 387908), (1036, 309278), (1652, 193954), (2072, 154639), (2183, 146776), (2621, 122248), (3304, 96977), (4366, 73388), (5242, 61124), (8732, 36694), (10484, 30562), (15281, 20968), (17464, 18347)]