81928560

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{48767}}^1$

素因数の和:48790

約数の個数: 80

約数和(自身を含む): 290267136

約数和(自身を除く): 208338576

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, 48767, 97534, 146301, 195068, 243835, 292602, 341369, 390136, 487670, 585204, 682738, 731505, 780272, 975340, 1024107, 1170408, 1365476, 1463010, 1706845, 1950680, 2048214, 2340816, 2730952, 2926020, 3413690, 3901360, 4096428, 5120535, 5461904, 5852040, 6827380, 8192856, 10241070, 11704080, 13654760, 16385712, 20482140, 27309520, 40964280, 81928560]

約数ペア:

[(1, 81928560), (2, 40964280), (3, 27309520), (4, 20482140), (5, 16385712), (6, 13654760), (7, 11704080), (8, 10241070), (10, 8192856), (12, 6827380), (14, 5852040), (15, 5461904), (16, 5120535), (20, 4096428), (21, 3901360), (24, 3413690), (28, 2926020), (30, 2730952), (35, 2340816), (40, 2048214), (42, 1950680), (48, 1706845), (56, 1463010), (60, 1365476), (70, 1170408), (80, 1024107), (84, 975340), (105, 780272), (112, 731505), (120, 682738), (140, 585204), (168, 487670), (210, 390136), (240, 341369), (280, 292602), (336, 243835), (420, 195068), (560, 146301), (840, 97534), (1680, 48767)]