80587920

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{47969}}^1$

素因数の和:47992

約数の個数: 80

約数和(自身を含む): 285517440

約数和(自身を除く): 204929520

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, 47969, 95938, 143907, 191876, 239845, 287814, 335783, 383752, 479690, 575628, 671566, 719535, 767504, 959380, 1007349, 1151256, 1343132, 1439070, 1678915, 1918760, 2014698, 2302512, 2686264, 2878140, 3357830, 3837520, 4029396, 5036745, 5372528, 5756280, 6715660, 8058792, 10073490, 11512560, 13431320, 16117584, 20146980, 26862640, 40293960, 80587920]

約数ペア:

[(1, 80587920), (2, 40293960), (3, 26862640), (4, 20146980), (5, 16117584), (6, 13431320), (7, 11512560), (8, 10073490), (10, 8058792), (12, 6715660), (14, 5756280), (15, 5372528), (16, 5036745), (20, 4029396), (21, 3837520), (24, 3357830), (28, 2878140), (30, 2686264), (35, 2302512), (40, 2014698), (42, 1918760), (48, 1678915), (56, 1439070), (60, 1343132), (70, 1151256), (80, 1007349), (84, 959380), (105, 767504), (112, 719535), (120, 671566), (140, 575628), (168, 479690), (210, 383752), (240, 335783), (280, 287814), (336, 239845), (420, 191876), (560, 143907), (840, 95938), (1680, 47969)]