778860040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{120941}}^1$

素因数の和:120982

約数の個数: 64

約数和(自身を含む): 2089877760

約数和(自身を除く): 1311017720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 70, 92, 115, 140, 161, 184, 230, 280, 322, 460, 644, 805, 920, 1288, 1610, 3220, 6440, 120941, 241882, 483764, 604705, 846587, 967528, 1209410, 1693174, 2418820, 2781643, 3386348, 4232935, 4837640, 5563286, 6772696, 8465870, 11126572, 13908215, 16931740, 19471501, 22253144, 27816430, 33863480, 38943002, 55632860, 77886004, 97357505, 111265720, 155772008, 194715010, 389430020, 778860040]

約数ペア:

[(1, 778860040), (2, 389430020), (4, 194715010), (5, 155772008), (7, 111265720), (8, 97357505), (10, 77886004), (14, 55632860), (20, 38943002), (23, 33863480), (28, 27816430), (35, 22253144), (40, 19471501), (46, 16931740), (56, 13908215), (70, 11126572), (92, 8465870), (115, 6772696), (140, 5563286), (161, 4837640), (184, 4232935), (230, 3386348), (280, 2781643), (322, 2418820), (460, 1693174), (644, 1209410), (805, 967528), (920, 846587), (1288, 604705), (1610, 483764), (3220, 241882), (6440, 120941)]