1660456560

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{988367}}^1$

素因数の和:988390

約数の個数: 80

約数和(自身を含む): 5882766336

約数和(自身を除く): 4222309776

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 988367, 1976734, 2965101, 3953468, 4941835, 5930202, 6918569, 7906936, 9883670, 11860404, 13837138, 14825505, 15813872, 19767340, 20755707, 23720808, 27674276, 29651010, 34592845, 39534680, 41511414, 47441616, 55348552, 59302020, 69185690, 79069360, 83022828, 103778535, 110697104, 118604040, 138371380, 166045656, 207557070, 237208080, 276742760, 332091312, 415114140, 553485520, 830228280, 1660456560]

約数ペア:

[(1, 1660456560), (2, 830228280), (3, 553485520), (4, 415114140), (5, 332091312), (6, 276742760), (7, 237208080), (8, 207557070), (10, 166045656), (12, 138371380), (14, 118604040), (15, 110697104), (16, 103778535), (20, 83022828), (21, 79069360), (24, 69185690), (28, 59302020), (30, 55348552), (35, 47441616), (40, 41511414), (42, 39534680), (48, 34592845), (56, 29651010), (60, 27674276), (70, 23720808), (80, 20755707), (84, 19767340), (105, 15813872), (112, 14825505), (120, 13837138), (140, 11860404), (168, 9883670), (210, 7906936), (240, 6918569), (280, 5930202), (336, 4941835), (420, 3953468), (560, 2965101), (840, 1976734), (1680, 988367)]