216865040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{271}}^1\times {\mathrm{1429}}^1$

素因数の和:1720

約数の個数: 80

約数和(自身を含む): 578772480

約数和(自身を除く): 361907440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 271, 280, 542, 560, 1084, 1355, 1429, 1897, 2168, 2710, 2858, 3794, 4336, 5420, 5716, 7145, 7588, 9485, 10003, 10840, 11432, 14290, 15176, 18970, 20006, 21680, 22864, 28580, 30352, 37940, 40012, 50015, 57160, 75880, 80024, 100030, 114320, 151760, 160048, 200060, 387259, 400120, 774518, 800240, 1549036, 1936295, 2710813, 3098072, 3872590, 5421626, 6196144, 7745180, 10843252, 13554065, 15490360, 21686504, 27108130, 30980720, 43373008, 54216260, 108432520, 216865040]

約数ペア:

[(1, 216865040), (2, 108432520), (4, 54216260), (5, 43373008), (7, 30980720), (8, 27108130), (10, 21686504), (14, 15490360), (16, 13554065), (20, 10843252), (28, 7745180), (35, 6196144), (40, 5421626), (56, 3872590), (70, 3098072), (80, 2710813), (112, 1936295), (140, 1549036), (271, 800240), (280, 774518), (542, 400120), (560, 387259), (1084, 200060), (1355, 160048), (1429, 151760), (1897, 114320), (2168, 100030), (2710, 80024), (2858, 75880), (3794, 57160), (4336, 50015), (5420, 40012), (5716, 37940), (7145, 30352), (7588, 28580), (9485, 22864), (10003, 21680), (10840, 20006), (11432, 18970), (14290, 15176)]